Home / 627,207.38-865,553.56-340,731.98

Finding the Fourth Proportional to 627,207.38, 865,553.56 and 340,731.98

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Solution

The fourth proportional to 627,207.38, 865,553.56 and 340,731.98 is: 470,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,207.38 : 865,553.56 = 340,731.98 : x
  2. Step 2: Convert to fraction form
    627,207.38/865,553.56 = 340,731.98/x
  3. Step 3: Cross multiply
    627,207.38x = 865,553.56 × 340,731.98
  4. Step 4: Simplify right side
    627,207.38x = 294,921,778,294.85
  5. Step 5: Solve for x
    x = 294,921,778,294.85/627,207.38
  6. Step 6: Final answer
    x = 470,214.14

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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.