Home / 684,307.80-1,026,461.70-608,200.20

Finding the Fourth Proportional to 684,307.80, 1,026,461.70 and 608,200.20

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Solution

The fourth proportional to 684,307.80, 1,026,461.70 and 608,200.20 is: 912,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,307.80 : 1,026,461.70 = 608,200.20 : x
  2. Step 2: Convert to fraction form
    684,307.80/1,026,461.70 = 608,200.20/x
  3. Step 3: Cross multiply
    684,307.80x = 1,026,461.70 × 608,200.20
  4. Step 4: Simplify right side
    684,307.80x = 624,294,211,232.34
  5. Step 5: Solve for x
    x = 624,294,211,232.34/684,307.80
  6. Step 6: Final answer
    x = 912,300.30

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Double scale
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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.