Home / 724,292.46-999,442.53-402,016.14

Finding the Fourth Proportional to 724,292.46, 999,442.53 and 402,016.14

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Solution

The fourth proportional to 724,292.46, 999,442.53 and 402,016.14 is: 554,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,292.46 : 999,442.53 = 402,016.14 : x
  2. Step 2: Convert to fraction form
    724,292.46/999,442.53 = 402,016.14/x
  3. Step 3: Cross multiply
    724,292.46x = 999,442.53 × 402,016.14
  4. Step 4: Simplify right side
    724,292.46x = 401,792,028,062.43
  5. Step 5: Solve for x
    x = 401,792,028,062.43/724,292.46
  6. Step 6: Final answer
    x = 554,737.28

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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.