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Finding the Fourth Proportional to 329,029.20, 494,580.60 and 322,808.40

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Solution

The fourth proportional to 329,029.20, 494,580.60 and 322,808.40 is: 485,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,029.20 : 494,580.60 = 322,808.40 : x
  2. Step 2: Convert to fraction form
    329,029.20/494,580.60 = 322,808.40/x
  3. Step 3: Cross multiply
    329,029.20x = 494,580.60 × 322,808.40
  4. Step 4: Simplify right side
    329,029.20x = 159,654,772,157.04
  5. Step 5: Solve for x
    x = 159,654,772,157.04/329,029.20
  6. Step 6: Final answer
    x = 485,229.80

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1.5x scale

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.