Home / 627,003.64-865,152.66-372,417.40

Finding the Fourth Proportional to 627,003.64, 865,152.66 and 372,417.40

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Solution

The fourth proportional to 627,003.64, 865,152.66 and 372,417.40 is: 513,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,003.64 : 865,152.66 = 372,417.40 : x
  2. Step 2: Convert to fraction form
    627,003.64/865,152.66 = 372,417.40/x
  3. Step 3: Cross multiply
    627,003.64x = 865,152.66 × 372,417.40
  4. Step 4: Simplify right side
    627,003.64x = 322,197,904,240.28
  5. Step 5: Solve for x
    x = 322,197,904,240.28/627,003.64
  6. Step 6: Final answer
    x = 513,869.27

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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.