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Finding the Fourth Proportional to 491,775.40, 737,079.90 and 441,620.20

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Solution

The fourth proportional to 491,775.40, 737,079.90 and 441,620.20 is: 661,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,775.40 : 737,079.90 = 441,620.20 : x
  2. Step 2: Convert to fraction form
    491,775.40/737,079.90 = 441,620.20/x
  3. Step 3: Cross multiply
    491,775.40x = 737,079.90 × 441,620.20
  4. Step 4: Simplify right side
    491,775.40x = 325,509,372,853.98
  5. Step 5: Solve for x
    x = 325,509,372,853.98/491,775.40
  6. Step 6: Final answer
    x = 661,906.58

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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.