Home / 627,148.58-865,730.03-423,475.29

Finding the Fourth Proportional to 627,148.58, 865,730.03 and 423,475.29

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Solution

The fourth proportional to 627,148.58, 865,730.03 and 423,475.29 is: 584,574.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,148.58 : 865,730.03 = 423,475.29 : x
  2. Step 2: Convert to fraction form
    627,148.58/865,730.03 = 423,475.29/x
  3. Step 3: Cross multiply
    627,148.58x = 865,730.03 × 423,475.29
  4. Step 4: Simplify right side
    627,148.58x = 366,615,273,398.58
  5. Step 5: Solve for x
    x = 366,615,273,398.58/627,148.58
  6. Step 6: Final answer
    x = 584,574.83

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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.