Home / 542,501.03-813,795.92-272,490.33

Finding the Fourth Proportional to 542,501.03, 813,795.92 and 272,490.33

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Solution

The fourth proportional to 542,501.03, 813,795.92 and 272,490.33 is: 408,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,501.03 : 813,795.92 = 272,490.33 : x
  2. Step 2: Convert to fraction form
    542,501.03/813,795.92 = 272,490.33/x
  3. Step 3: Cross multiply
    542,501.03x = 813,795.92 × 272,490.33
  4. Step 4: Simplify right side
    542,501.03x = 221,751,517,431.00
  5. Step 5: Solve for x
    x = 221,751,517,431.00/542,501.03
  6. Step 6: Final answer
    x = 408,757.79

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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.