Home / 781,061.40-1,171,592.10-282,308.76

Finding the Fourth Proportional to 781,061.40, 1,171,592.10 and 282,308.76

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Solution

The fourth proportional to 781,061.40, 1,171,592.10 and 282,308.76 is: 423,463.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,061.40 : 1,171,592.10 = 282,308.76 : x
  2. Step 2: Convert to fraction form
    781,061.40/1,171,592.10 = 282,308.76/x
  3. Step 3: Cross multiply
    781,061.40x = 1,171,592.10 × 282,308.76
  4. Step 4: Simplify right side
    781,061.40x = 330,750,712,976.80
  5. Step 5: Solve for x
    x = 330,750,712,976.80/781,061.40
  6. Step 6: Final answer
    x = 423,463.14

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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.