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Finding the Fourth Proportional to 491,505.30, 735,875.55 and 441,738.90

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Solution

The fourth proportional to 491,505.30, 735,875.55 and 441,738.90 is: 661,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,505.30 : 735,875.55 = 441,738.90 : x
  2. Step 2: Convert to fraction form
    491,505.30/735,875.55 = 441,738.90/x
  3. Step 3: Cross multiply
    491,505.30x = 735,875.55 × 441,738.90
  4. Step 4: Simplify right side
    491,505.30x = 325,064,855,993.90
  5. Step 5: Solve for x
    x = 325,064,855,993.90/491,505.30
  6. Step 6: Final answer
    x = 661,365.92

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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.