Home / 497,942.20-745,929.15-272,899.90

Finding the Fourth Proportional to 497,942.20, 745,929.15 and 272,899.90

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Solution

The fourth proportional to 497,942.20, 745,929.15 and 272,899.90 is: 408,810.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,942.20 : 745,929.15 = 272,899.90 : x
  2. Step 2: Convert to fraction form
    497,942.20/745,929.15 = 272,899.90/x
  3. Step 3: Cross multiply
    497,942.20x = 745,929.15 × 272,899.90
  4. Step 4: Simplify right side
    497,942.20x = 203,563,990,442.09
  5. Step 5: Solve for x
    x = 203,563,990,442.09/497,942.20
  6. Step 6: Final answer
    x = 408,810.48

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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.