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Finding the Fourth Proportional to 491,452.80, 735,796.80 and 441,686.40

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Solution

The fourth proportional to 491,452.80, 735,796.80 and 441,686.40 is: 661,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,452.80 : 735,796.80 = 441,686.40 : x
  2. Step 2: Convert to fraction form
    491,452.80/735,796.80 = 441,686.40/x
  3. Step 3: Cross multiply
    491,452.80x = 735,796.80 × 441,686.40
  4. Step 4: Simplify right side
    491,452.80x = 324,991,439,723.52
  5. Step 5: Solve for x
    x = 324,991,439,723.52/491,452.80
  6. Step 6: Final answer
    x = 661,287.19

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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.