Home / 853,460.88-1,279,894.86-474,959.22

Finding the Fourth Proportional to 853,460.88, 1,279,894.86 and 474,959.22

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Solution

The fourth proportional to 853,460.88, 1,279,894.86 and 474,959.22 is: 712,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,460.88 : 1,279,894.86 = 474,959.22 : x
  2. Step 2: Convert to fraction form
    853,460.88/1,279,894.86 = 474,959.22/x
  3. Step 3: Cross multiply
    853,460.88x = 1,279,894.86 × 474,959.22
  4. Step 4: Simplify right side
    853,460.88x = 607,897,864,387.61
  5. Step 5: Solve for x
    x = 607,897,864,387.61/853,460.88
  6. Step 6: Final answer
    x = 712,273.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.