Home / 724,529.43-999,831.15-434,304.95

Finding the Fourth Proportional to 724,529.43, 999,831.15 and 434,304.95

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Solution

The fourth proportional to 724,529.43, 999,831.15 and 434,304.95 is: 599,329.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,529.43 : 999,831.15 = 434,304.95 : x
  2. Step 2: Convert to fraction form
    724,529.43/999,831.15 = 434,304.95/x
  3. Step 3: Cross multiply
    724,529.43x = 999,831.15 × 434,304.95
  4. Step 4: Simplify right side
    724,529.43x = 434,231,612,610.04
  5. Step 5: Solve for x
    x = 434,231,612,610.04/724,529.43
  6. Step 6: Final answer
    x = 599,329.16

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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.