Home / 627,001.02-865,266.48-340,523.15

Finding the Fourth Proportional to 627,001.02, 865,266.48 and 340,523.15

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Solution

The fourth proportional to 627,001.02, 865,266.48 and 340,523.15 is: 469,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,001.02 : 865,266.48 = 340,523.15 : x
  2. Step 2: Convert to fraction form
    627,001.02/865,266.48 = 340,523.15/x
  3. Step 3: Cross multiply
    627,001.02x = 865,266.48 × 340,523.15
  4. Step 4: Simplify right side
    627,001.02x = 294,643,267,359.01
  5. Step 5: Solve for x
    x = 294,643,267,359.01/627,001.02
  6. Step 6: Final answer
    x = 469,924.70

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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.