Home / 627,047.52-865,301.04-372,392.16

Finding the Fourth Proportional to 627,047.52, 865,301.04 and 372,392.16

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Solution

The fourth proportional to 627,047.52, 865,301.04 and 372,392.16 is: 513,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,047.52 : 865,301.04 = 372,392.16 : x
  2. Step 2: Convert to fraction form
    627,047.52/865,301.04 = 372,392.16/x
  3. Step 3: Cross multiply
    627,047.52x = 865,301.04 × 372,392.16
  4. Step 4: Simplify right side
    627,047.52x = 322,231,323,335.85
  5. Step 5: Solve for x
    x = 322,231,323,335.85/627,047.52
  6. Step 6: Final answer
    x = 513,886.61

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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.