Home / 721,097.28-1,081,188-383,929.92

Finding the Fourth Proportional to 721,097.28, 1,081,188 and 383,929.92

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Solution

The fourth proportional to 721,097.28, 1,081,188 and 383,929.92 is: 575,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,097.28 : 1,081,188 = 383,929.92 : x
  2. Step 2: Convert to fraction form
    721,097.28/1,081,188 = 383,929.92/x
  3. Step 3: Cross multiply
    721,097.28x = 1,081,188 × 383,929.92
  4. Step 4: Simplify right side
    721,097.28x = 415,100,422,344.96
  5. Step 5: Solve for x
    x = 415,100,422,344.96/721,097.28
  6. Step 6: Final answer
    x = 575,651.07

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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.