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Finding the Fourth Proportional to 491,580.80, 737,371.20 and 441,717.20

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Solution

The fourth proportional to 491,580.80, 737,371.20 and 441,717.20 is: 662,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,580.80 : 737,371.20 = 441,717.20 : x
  2. Step 2: Convert to fraction form
    491,580.80/737,371.20 = 441,717.20/x
  3. Step 3: Cross multiply
    491,580.80x = 737,371.20 × 441,717.20
  4. Step 4: Simplify right side
    491,580.80x = 325,709,541,824.64
  5. Step 5: Solve for x
    x = 325,709,541,824.64/491,580.80
  6. Step 6: Final answer
    x = 662,575.80

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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.