Home / 732,620.10-1,098,930.15-520,043.70

Finding the Fourth Proportional to 732,620.10, 1,098,930.15 and 520,043.70

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Solution

The fourth proportional to 732,620.10, 1,098,930.15 and 520,043.70 is: 780,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,620.10 : 1,098,930.15 = 520,043.70 : x
  2. Step 2: Convert to fraction form
    732,620.10/1,098,930.15 = 520,043.70/x
  3. Step 3: Cross multiply
    732,620.10x = 1,098,930.15 × 520,043.70
  4. Step 4: Simplify right side
    732,620.10x = 571,491,701,247.56
  5. Step 5: Solve for x
    x = 571,491,701,247.56/732,620.10
  6. Step 6: Final answer
    x = 780,065.55

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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.