Home / 882,531.28-1,217,854.78-490,039.81

Finding the Fourth Proportional to 882,531.28, 1,217,854.78 and 490,039.81

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Solution

The fourth proportional to 882,531.28, 1,217,854.78 and 490,039.81 is: 676,233.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,531.28 : 1,217,854.78 = 490,039.81 : x
  2. Step 2: Convert to fraction form
    882,531.28/1,217,854.78 = 490,039.81/x
  3. Step 3: Cross multiply
    882,531.28x = 1,217,854.78 × 490,039.81
  4. Step 4: Simplify right side
    882,531.28x = 596,797,324,998.79
  5. Step 5: Solve for x
    x = 596,797,324,998.79/882,531.28
  6. Step 6: Final answer
    x = 676,233.62

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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.