Home / 762,695.40-1,144,043.10-724,204.20

Finding the Fourth Proportional to 762,695.40, 1,144,043.10 and 724,204.20

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Solution

The fourth proportional to 762,695.40, 1,144,043.10 and 724,204.20 is: 1,086,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,695.40 : 1,144,043.10 = 724,204.20 : x
  2. Step 2: Convert to fraction form
    762,695.40/1,144,043.10 = 724,204.20/x
  3. Step 3: Cross multiply
    762,695.40x = 1,144,043.10 × 724,204.20
  4. Step 4: Simplify right side
    762,695.40x = 828,520,818,001.02
  5. Step 5: Solve for x
    x = 828,520,818,001.02/762,695.40
  6. Step 6: Final answer
    x = 1,086,306.30

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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.