Home / 382,832.20-574,248.30-323,783.20

Finding the Fourth Proportional to 382,832.20, 574,248.30 and 323,783.20

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Solution

The fourth proportional to 382,832.20, 574,248.30 and 323,783.20 is: 485,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,832.20 : 574,248.30 = 323,783.20 : x
  2. Step 2: Convert to fraction form
    382,832.20/574,248.30 = 323,783.20/x
  3. Step 3: Cross multiply
    382,832.20x = 574,248.30 × 323,783.20
  4. Step 4: Simplify right side
    382,832.20x = 185,931,952,168.56
  5. Step 5: Solve for x
    x = 185,931,952,168.56/382,832.20
  6. Step 6: Final answer
    x = 485,674.80

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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.