Home / 376,490.20-564,735.30-324,002.20

Finding the Fourth Proportional to 376,490.20, 564,735.30 and 324,002.20

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Solution

The fourth proportional to 376,490.20, 564,735.30 and 324,002.20 is: 486,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,490.20 : 564,735.30 = 324,002.20 : x
  2. Step 2: Convert to fraction form
    376,490.20/564,735.30 = 324,002.20/x
  3. Step 3: Cross multiply
    376,490.20x = 564,735.30 × 324,002.20
  4. Step 4: Simplify right side
    376,490.20x = 182,975,479,617.66
  5. Step 5: Solve for x
    x = 182,975,479,617.66/376,490.20
  6. Step 6: Final answer
    x = 486,003.30

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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.