Home / 970,198.68-1,338,874.92-540,479.88

Finding the Fourth Proportional to 970,198.68, 1,338,874.92 and 540,479.88

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Solution

The fourth proportional to 970,198.68, 1,338,874.92 and 540,479.88 is: 745,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,198.68 : 1,338,874.92 = 540,479.88 : x
  2. Step 2: Convert to fraction form
    970,198.68/1,338,874.92 = 540,479.88/x
  3. Step 3: Cross multiply
    970,198.68x = 1,338,874.92 × 540,479.88
  4. Step 4: Simplify right side
    970,198.68x = 723,634,956,096.61
  5. Step 5: Solve for x
    x = 723,634,956,096.61/970,198.68
  6. Step 6: Final answer
    x = 745,862.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.