Home / 330,769.60-496,154.40-328,004.80

Finding the Fourth Proportional to 330,769.60, 496,154.40 and 328,004.80

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Solution

The fourth proportional to 330,769.60, 496,154.40 and 328,004.80 is: 492,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,769.60 : 496,154.40 = 328,004.80 : x
  2. Step 2: Convert to fraction form
    330,769.60/496,154.40 = 328,004.80/x
  3. Step 3: Cross multiply
    330,769.60x = 496,154.40 × 328,004.80
  4. Step 4: Simplify right side
    330,769.60x = 162,741,024,741.12
  5. Step 5: Solve for x
    x = 162,741,024,741.12/330,769.60
  6. Step 6: Final answer
    x = 492,007.20

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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.