Home / 627,000.29-865,265.48-340,522.43

Finding the Fourth Proportional to 627,000.29, 865,265.48 and 340,522.43

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Solution

The fourth proportional to 627,000.29, 865,265.48 and 340,522.43 is: 469,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,000.29 : 865,265.48 = 340,522.43 : x
  2. Step 2: Convert to fraction form
    627,000.29/865,265.48 = 340,522.43/x
  3. Step 3: Cross multiply
    627,000.29x = 865,265.48 × 340,522.43
  4. Step 4: Simplify right side
    627,000.29x = 294,642,297,815.78
  5. Step 5: Solve for x
    x = 294,642,297,815.78/627,000.29
  6. Step 6: Final answer
    x = 469,923.70

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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.