Home / 912,481.20-1,259,177.40-510,073.20

Finding the Fourth Proportional to 912,481.20, 1,259,177.40 and 510,073.20

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Solution

The fourth proportional to 912,481.20, 1,259,177.40 and 510,073.20 is: 703,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,481.20 : 1,259,177.40 = 510,073.20 : x
  2. Step 2: Convert to fraction form
    912,481.20/1,259,177.40 = 510,073.20/x
  3. Step 3: Cross multiply
    912,481.20x = 1,259,177.40 × 510,073.20
  4. Step 4: Simplify right side
    912,481.20x = 642,272,645,785.68
  5. Step 5: Solve for x
    x = 642,272,645,785.68/912,481.20
  6. Step 6: Final answer
    x = 703,874.94

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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.