Home / 711,781.14-982,324.80-425,295.12

Finding the Fourth Proportional to 711,781.14, 982,324.80 and 425,295.12

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Solution

The fourth proportional to 711,781.14, 982,324.80 and 425,295.12 is: 586,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,781.14 : 982,324.80 = 425,295.12 : x
  2. Step 2: Convert to fraction form
    711,781.14/982,324.80 = 425,295.12/x
  3. Step 3: Cross multiply
    711,781.14x = 982,324.80 × 425,295.12
  4. Step 4: Simplify right side
    711,781.14x = 417,777,943,694.98
  5. Step 5: Solve for x
    x = 417,777,943,694.98/711,781.14
  6. Step 6: Final answer
    x = 586,947.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.