Home / 786,508.38-1,085,473.89-447,027.66

Finding the Fourth Proportional to 786,508.38, 1,085,473.89 and 447,027.66

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Solution

The fourth proportional to 786,508.38, 1,085,473.89 and 447,027.66 is: 616,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,508.38 : 1,085,473.89 = 447,027.66 : x
  2. Step 2: Convert to fraction form
    786,508.38/1,085,473.89 = 447,027.66/x
  3. Step 3: Cross multiply
    786,508.38x = 1,085,473.89 × 447,027.66
  4. Step 4: Simplify right side
    786,508.38x = 485,236,853,037.80
  5. Step 5: Solve for x
    x = 485,236,853,037.80/786,508.38
  6. Step 6: Final answer
    x = 616,950.65

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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.