Home / 851,229.64-1,174,700.46-469,248.04

Finding the Fourth Proportional to 851,229.64, 1,174,700.46 and 469,248.04

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Solution

The fourth proportional to 851,229.64, 1,174,700.46 and 469,248.04 is: 647,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,229.64 : 1,174,700.46 = 469,248.04 : x
  2. Step 2: Convert to fraction form
    851,229.64/1,174,700.46 = 469,248.04/x
  3. Step 3: Cross multiply
    851,229.64x = 1,174,700.46 × 469,248.04
  4. Step 4: Simplify right side
    851,229.64x = 551,225,888,442.10
  5. Step 5: Solve for x
    x = 551,225,888,442.10/851,229.64
  6. Step 6: Final answer
    x = 647,564.26

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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.