Home / 649,734.28-975,450.24-521,718.92

Finding the Fourth Proportional to 649,734.28, 975,450.24 and 521,718.92

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Solution

The fourth proportional to 649,734.28, 975,450.24 and 521,718.92 is: 783,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,734.28 : 975,450.24 = 521,718.92 : x
  2. Step 2: Convert to fraction form
    649,734.28/975,450.24 = 521,718.92/x
  3. Step 3: Cross multiply
    649,734.28x = 975,450.24 × 521,718.92
  4. Step 4: Simplify right side
    649,734.28x = 508,910,845,726.54
  5. Step 5: Solve for x
    x = 508,910,845,726.54/649,734.28
  6. Step 6: Final answer
    x = 783,259.97

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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.