Home / 782,279.68-1,173,409.62-249,793.96

Finding the Fourth Proportional to 782,279.68, 1,173,409.62 and 249,793.96

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Solution

The fourth proportional to 782,279.68, 1,173,409.62 and 249,793.96 is: 374,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,279.68 : 1,173,409.62 = 249,793.96 : x
  2. Step 2: Convert to fraction form
    782,279.68/1,173,409.62 = 249,793.96/x
  3. Step 3: Cross multiply
    782,279.68x = 1,173,409.62 × 249,793.96
  4. Step 4: Simplify right side
    782,279.68x = 293,110,635,681.90
  5. Step 5: Solve for x
    x = 293,110,635,681.90/782,279.68
  6. Step 6: Final answer
    x = 374,687.78

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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.