Home / 627,000.02-865,265.10-340,522.15

Finding the Fourth Proportional to 627,000.02, 865,265.10 and 340,522.15

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Solution

The fourth proportional to 627,000.02, 865,265.10 and 340,522.15 is: 469,923.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,000.02 : 865,265.10 = 340,522.15 : x
  2. Step 2: Convert to fraction form
    627,000.02/865,265.10 = 340,522.15/x
  3. Step 3: Cross multiply
    627,000.02x = 865,265.10 × 340,522.15
  4. Step 4: Simplify right side
    627,000.02x = 294,641,930,008.80
  5. Step 5: Solve for x
    x = 294,641,930,008.80/627,000.02
  6. Step 6: Final answer
    x = 469,923.32

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1.5x scale

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.