Home / 721,253.13-1,080,924.09-383,566.65

Finding the Fourth Proportional to 721,253.13, 1,080,924.09 and 383,566.65

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Solution

The fourth proportional to 721,253.13, 1,080,924.09 and 383,566.65 is: 574,841.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,253.13 : 1,080,924.09 = 383,566.65 : x
  2. Step 2: Convert to fraction form
    721,253.13/1,080,924.09 = 383,566.65/x
  3. Step 3: Cross multiply
    721,253.13x = 1,080,924.09 × 383,566.65
  4. Step 4: Simplify right side
    721,253.13x = 414,606,432,105.60
  5. Step 5: Solve for x
    x = 414,606,432,105.60/721,253.13
  6. Step 6: Final answer
    x = 574,841.78

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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.