Home / 917,251.20-1,375,876.80-243,331.20

Finding the Fourth Proportional to 917,251.20, 1,375,876.80 and 243,331.20

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Solution

The fourth proportional to 917,251.20, 1,375,876.80 and 243,331.20 is: 364,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,251.20 : 1,375,876.80 = 243,331.20 : x
  2. Step 2: Convert to fraction form
    917,251.20/1,375,876.80 = 243,331.20/x
  3. Step 3: Cross multiply
    917,251.20x = 1,375,876.80 × 243,331.20
  4. Step 4: Simplify right side
    917,251.20x = 334,793,752,796.16
  5. Step 5: Solve for x
    x = 334,793,752,796.16/917,251.20
  6. Step 6: Final answer
    x = 364,996.80

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1.5x scale

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.