Home / 851,708.01-1,175,348.16-469,726.59

Finding the Fourth Proportional to 851,708.01, 1,175,348.16 and 469,726.59

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Solution

The fourth proportional to 851,708.01, 1,175,348.16 and 469,726.59 is: 648,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,708.01 : 1,175,348.16 = 469,726.59 : x
  2. Step 2: Convert to fraction form
    851,708.01/1,175,348.16 = 469,726.59/x
  3. Step 3: Cross multiply
    851,708.01x = 1,175,348.16 × 469,726.59
  4. Step 4: Simplify right side
    851,708.01x = 552,092,283,259.57
  5. Step 5: Solve for x
    x = 552,092,283,259.57/851,708.01
  6. Step 6: Final answer
    x = 648,217.79

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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.