Home / 497,974.20-745,977.15-272,931.90

Finding the Fourth Proportional to 497,974.20, 745,977.15 and 272,931.90

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Solution

The fourth proportional to 497,974.20, 745,977.15 and 272,931.90 is: 408,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,974.20 : 745,977.15 = 272,931.90 : x
  2. Step 2: Convert to fraction form
    497,974.20/745,977.15 = 272,931.90/x
  3. Step 3: Cross multiply
    497,974.20x = 745,977.15 × 272,931.90
  4. Step 4: Simplify right side
    497,974.20x = 203,600,960,906.09
  5. Step 5: Solve for x
    x = 203,600,960,906.09/497,974.20
  6. Step 6: Final answer
    x = 408,858.45

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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.