Home / 782,306.56-1,079,398.00-442,774.81

Finding the Fourth Proportional to 782,306.56, 1,079,398.00 and 442,774.81

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Solution

The fourth proportional to 782,306.56, 1,079,398.00 and 442,774.81 is: 610,924.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,306.56 : 1,079,398.00 = 442,774.81 : x
  2. Step 2: Convert to fraction form
    782,306.56/1,079,398.00 = 442,774.81/x
  3. Step 3: Cross multiply
    782,306.56x = 1,079,398.00 × 442,774.81
  4. Step 4: Simplify right side
    782,306.56x = 477,930,240,195.48
  5. Step 5: Solve for x
    x = 477,930,240,195.48/782,306.56
  6. Step 6: Final answer
    x = 610,924.50

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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.