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Finding the Fourth Proportional to 721,468.71, 994,754.79 and 583,792.20

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Solution

The fourth proportional to 721,468.71, 994,754.79 and 583,792.20 is: 804,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,468.71 : 994,754.79 = 583,792.20 : x
  2. Step 2: Convert to fraction form
    721,468.71/994,754.79 = 583,792.20/x
  3. Step 3: Cross multiply
    721,468.71x = 994,754.79 × 583,792.20
  4. Step 4: Simplify right side
    721,468.71x = 580,730,087,314.64
  5. Step 5: Solve for x
    x = 580,730,087,314.64/721,468.71
  6. Step 6: Final answer
    x = 804,927.61

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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.