Home / 851,188.28-1,174,647.80-469,228.73

Finding the Fourth Proportional to 851,188.28, 1,174,647.80 and 469,228.73

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Solution

The fourth proportional to 851,188.28, 1,174,647.80 and 469,228.73 is: 647,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,188.28 : 1,174,647.80 = 469,228.73 : x
  2. Step 2: Convert to fraction form
    851,188.28/1,174,647.80 = 469,228.73/x
  3. Step 3: Cross multiply
    851,188.28x = 1,174,647.80 × 469,228.73
  4. Step 4: Simplify right side
    851,188.28x = 551,178,490,691.13
  5. Step 5: Solve for x
    x = 551,178,490,691.13/851,188.28
  6. Step 6: Final answer
    x = 647,540.04

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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.