Home / 782,748.92-1,080,211.02-438,610.52

Finding the Fourth Proportional to 782,748.92, 1,080,211.02 and 438,610.52

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Solution

The fourth proportional to 782,748.92, 1,080,211.02 and 438,610.52 is: 605,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,748.92 : 1,080,211.02 = 438,610.52 : x
  2. Step 2: Convert to fraction form
    782,748.92/1,080,211.02 = 438,610.52/x
  3. Step 3: Cross multiply
    782,748.92x = 1,080,211.02 × 438,610.52
  4. Step 4: Simplify right side
    782,748.92x = 473,791,917,191.93
  5. Step 5: Solve for x
    x = 473,791,917,191.93/782,748.92
  6. Step 6: Final answer
    x = 605,292.33

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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.