Home / 497,932.01-746,515.19-257,788.47

Finding the Fourth Proportional to 497,932.01, 746,515.19 and 257,788.47

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Solution

The fourth proportional to 497,932.01, 746,515.19 and 257,788.47 is: 386,484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,932.01 : 746,515.19 = 257,788.47 : x
  2. Step 2: Convert to fraction form
    497,932.01/746,515.19 = 257,788.47/x
  3. Step 3: Cross multiply
    497,932.01x = 746,515.19 × 257,788.47
  4. Step 4: Simplify right side
    497,932.01x = 192,443,010,655.70
  5. Step 5: Solve for x
    x = 192,443,010,655.70/497,932.01
  6. Step 6: Final answer
    x = 386,484.51

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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.