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Finding the Fourth Proportional to 497,785.29, 746,676.51 and 123,808.29

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Solution

The fourth proportional to 497,785.29, 746,676.51 and 123,808.29 is: 185,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,785.29 : 746,676.51 = 123,808.29 : x
  2. Step 2: Convert to fraction form
    497,785.29/746,676.51 = 123,808.29/x
  3. Step 3: Cross multiply
    497,785.29x = 746,676.51 × 123,808.29
  4. Step 4: Simplify right side
    497,785.29x = 92,444,741,886.27
  5. Step 5: Solve for x
    x = 92,444,741,886.27/497,785.29
  6. Step 6: Final answer
    x = 185,712.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.