Home / 395,424.18-593,223.75-217,839.78

Finding the Fourth Proportional to 395,424.18, 593,223.75 and 217,839.78

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Solution

The fourth proportional to 395,424.18, 593,223.75 and 217,839.78 is: 326,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,424.18 : 593,223.75 = 217,839.78 : x
  2. Step 2: Convert to fraction form
    395,424.18/593,223.75 = 217,839.78/x
  3. Step 3: Cross multiply
    395,424.18x = 593,223.75 × 217,839.78
  4. Step 4: Simplify right side
    395,424.18x = 129,227,731,190.78
  5. Step 5: Solve for x
    x = 129,227,731,190.78/395,424.18
  6. Step 6: Final answer
    x = 326,807.86

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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.