Home / 977,674.20-1,466,511.30-820,210.20

Finding the Fourth Proportional to 977,674.20, 1,466,511.30 and 820,210.20

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Solution

The fourth proportional to 977,674.20, 1,466,511.30 and 820,210.20 is: 1,230,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,674.20 : 1,466,511.30 = 820,210.20 : x
  2. Step 2: Convert to fraction form
    977,674.20/1,466,511.30 = 820,210.20/x
  3. Step 3: Cross multiply
    977,674.20x = 1,466,511.30 × 820,210.20
  4. Step 4: Simplify right side
    977,674.20x = 1,202,847,526,675.26
  5. Step 5: Solve for x
    x = 1,202,847,526,675.26/977,674.20
  6. Step 6: Final answer
    x = 1,230,315.30

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Half scale
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Double scale
Find fourth proportional to 977,675.20, 1,466,512.80 and 820,211.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.