Home / 498,380.09-687,764.52-272,025.59

Finding the Fourth Proportional to 498,380.09, 687,764.52 and 272,025.59

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Solution

The fourth proportional to 498,380.09, 687,764.52 and 272,025.59 is: 375,395.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,380.09 : 687,764.52 = 272,025.59 : x
  2. Step 2: Convert to fraction form
    498,380.09/687,764.52 = 272,025.59/x
  3. Step 3: Cross multiply
    498,380.09x = 687,764.52 × 272,025.59
  4. Step 4: Simplify right side
    498,380.09x = 187,089,545,895.24
  5. Step 5: Solve for x
    x = 187,089,545,895.24/498,380.09
  6. Step 6: Final answer
    x = 375,395.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.