Home / 856,665.92-1,182,173.16-469,476.61

Finding the Fourth Proportional to 856,665.92, 1,182,173.16 and 469,476.61

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Solution

The fourth proportional to 856,665.92, 1,182,173.16 and 469,476.61 is: 647,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,665.92 : 1,182,173.16 = 469,476.61 : x
  2. Step 2: Convert to fraction form
    856,665.92/1,182,173.16 = 469,476.61/x
  3. Step 3: Cross multiply
    856,665.92x = 1,182,173.16 × 469,476.61
  4. Step 4: Simplify right side
    856,665.92x = 555,002,646,394.89
  5. Step 5: Solve for x
    x = 555,002,646,394.89/856,665.92
  6. Step 6: Final answer
    x = 647,863.57

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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.