Home / 675,226.80-1,012,840.20-659,480.40

Finding the Fourth Proportional to 675,226.80, 1,012,840.20 and 659,480.40

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Solution

The fourth proportional to 675,226.80, 1,012,840.20 and 659,480.40 is: 989,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,226.80 : 1,012,840.20 = 659,480.40 : x
  2. Step 2: Convert to fraction form
    675,226.80/1,012,840.20 = 659,480.40/x
  3. Step 3: Cross multiply
    675,226.80x = 1,012,840.20 × 659,480.40
  4. Step 4: Simplify right side
    675,226.80x = 667,948,260,232.08
  5. Step 5: Solve for x
    x = 667,948,260,232.08/675,226.80
  6. Step 6: Final answer
    x = 989,220.60

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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.