Home / 782,334.40-1,174,279.20-383,425.60

Finding the Fourth Proportional to 782,334.40, 1,174,279.20 and 383,425.60

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Solution

The fourth proportional to 782,334.40, 1,174,279.20 and 383,425.60 is: 575,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,334.40 : 1,174,279.20 = 383,425.60 : x
  2. Step 2: Convert to fraction form
    782,334.40/1,174,279.20 = 383,425.60/x
  3. Step 3: Cross multiply
    782,334.40x = 1,174,279.20 × 383,425.60
  4. Step 4: Simplify right side
    782,334.40x = 450,248,706,827.52
  5. Step 5: Solve for x
    x = 450,248,706,827.52/782,334.40
  6. Step 6: Final answer
    x = 575,519.51

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Similar ratio
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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.