Home / 851,882.97-1,175,507.72-469,909.76

Finding the Fourth Proportional to 851,882.97, 1,175,507.72 and 469,909.76

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Solution

The fourth proportional to 851,882.97, 1,175,507.72 and 469,909.76 is: 648,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,882.97 : 1,175,507.72 = 469,909.76 : x
  2. Step 2: Convert to fraction form
    851,882.97/1,175,507.72 = 469,909.76/x
  3. Step 3: Cross multiply
    851,882.97x = 1,175,507.72 × 469,909.76
  4. Step 4: Simplify right side
    851,882.97x = 552,382,542,796.80
  5. Step 5: Solve for x
    x = 552,382,542,796.80/851,882.97
  6. Step 6: Final answer
    x = 648,425.38

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1.5x scale

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.