Home / 851,242.30-1,174,722.28-469,282.75

Finding the Fourth Proportional to 851,242.30, 1,174,722.28 and 469,282.75

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Solution

The fourth proportional to 851,242.30, 1,174,722.28 and 469,282.75 is: 647,614.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,242.30 : 1,174,722.28 = 469,282.75 : x
  2. Step 2: Convert to fraction form
    851,242.30/1,174,722.28 = 469,282.75/x
  3. Step 3: Cross multiply
    851,242.30x = 1,174,722.28 × 469,282.75
  4. Step 4: Simplify right side
    851,242.30x = 551,276,897,934.66
  5. Step 5: Solve for x
    x = 551,276,897,934.66/851,242.30
  6. Step 6: Final answer
    x = 647,614.55

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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.