Home / 627,000.57-865,265.87-340,522.70

Finding the Fourth Proportional to 627,000.57, 865,265.87 and 340,522.70

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Solution

The fourth proportional to 627,000.57, 865,265.87 and 340,522.70 is: 469,924.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,000.57 : 865,265.87 = 340,522.70 : x
  2. Step 2: Convert to fraction form
    627,000.57/865,265.87 = 340,522.70/x
  3. Step 3: Cross multiply
    627,000.57x = 865,265.87 × 340,522.70
  4. Step 4: Simplify right side
    627,000.57x = 294,642,668,567.64
  5. Step 5: Solve for x
    x = 294,642,668,567.64/627,000.57
  6. Step 6: Final answer
    x = 469,924.09

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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.