Home / 882,071.32-1,217,221.68-500,123.92

Finding the Fourth Proportional to 882,071.32, 1,217,221.68 and 500,123.92

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Solution

The fourth proportional to 882,071.32, 1,217,221.68 and 500,123.92 is: 690,150.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,071.32 : 1,217,221.68 = 500,123.92 : x
  2. Step 2: Convert to fraction form
    882,071.32/1,217,221.68 = 500,123.92/x
  3. Step 3: Cross multiply
    882,071.32x = 1,217,221.68 × 500,123.92
  4. Step 4: Simplify right side
    882,071.32x = 608,761,678,110.59
  5. Step 5: Solve for x
    x = 608,761,678,110.59/882,071.32
  6. Step 6: Final answer
    x = 690,150.18

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1.5x scale

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.