Home / 330,334.20-495,501.30-328,365.90

Finding the Fourth Proportional to 330,334.20, 495,501.30 and 328,365.90

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Solution

The fourth proportional to 330,334.20, 495,501.30 and 328,365.90 is: 492,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,334.20 : 495,501.30 = 328,365.90 : x
  2. Step 2: Convert to fraction form
    330,334.20/495,501.30 = 328,365.90/x
  3. Step 3: Cross multiply
    330,334.20x = 495,501.30 × 328,365.90
  4. Step 4: Simplify right side
    330,334.20x = 162,705,730,325.67
  5. Step 5: Solve for x
    x = 162,705,730,325.67/330,334.20
  6. Step 6: Final answer
    x = 492,548.85

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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.