Home / 888,347.66-1,225,919.76-480,449.49

Finding the Fourth Proportional to 888,347.66, 1,225,919.76 and 480,449.49

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Solution

The fourth proportional to 888,347.66, 1,225,919.76 and 480,449.49 is: 663,020.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,347.66 : 1,225,919.76 = 480,449.49 : x
  2. Step 2: Convert to fraction form
    888,347.66/1,225,919.76 = 480,449.49/x
  3. Step 3: Cross multiply
    888,347.66x = 1,225,919.76 × 480,449.49
  4. Step 4: Simplify right side
    888,347.66x = 588,992,523,472.92
  5. Step 5: Solve for x
    x = 588,992,523,472.92/888,347.66
  6. Step 6: Final answer
    x = 663,020.29

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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.