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Finding the Fourth Proportional to 472,902.97, 709,732.71 and 248,395.78

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Solution

The fourth proportional to 472,902.97, 709,732.71 and 248,395.78 is: 372,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,902.97 : 709,732.71 = 248,395.78 : x
  2. Step 2: Convert to fraction form
    472,902.97/709,732.71 = 248,395.78/x
  3. Step 3: Cross multiply
    472,902.97x = 709,732.71 × 248,395.78
  4. Step 4: Simplify right side
    472,902.97x = 176,294,610,091.96
  5. Step 5: Solve for x
    x = 176,294,610,091.96/472,902.97
  6. Step 6: Final answer
    x = 372,792.35

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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.