Home / 782,507.88-1,173,839.58-283,910.76

Finding the Fourth Proportional to 782,507.88, 1,173,839.58 and 283,910.76

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Solution

The fourth proportional to 782,507.88, 1,173,839.58 and 283,910.76 is: 425,894.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,507.88 : 1,173,839.58 = 283,910.76 : x
  2. Step 2: Convert to fraction form
    782,507.88/1,173,839.58 = 283,910.76/x
  3. Step 3: Cross multiply
    782,507.88x = 1,173,839.58 × 283,910.76
  4. Step 4: Simplify right side
    782,507.88x = 333,265,687,275.88
  5. Step 5: Solve for x
    x = 333,265,687,275.88/782,507.88
  6. Step 6: Final answer
    x = 425,894.35

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Double scale
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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.