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Finding the Fourth Proportional to 491,541.80, 735,930.30 and 441,775.40

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Solution

The fourth proportional to 491,541.80, 735,930.30 and 441,775.40 is: 661,420.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,541.80 : 735,930.30 = 441,775.40 : x
  2. Step 2: Convert to fraction form
    491,541.80/735,930.30 = 441,775.40/x
  3. Step 3: Cross multiply
    491,541.80x = 735,930.30 × 441,775.40
  4. Step 4: Simplify right side
    491,541.80x = 325,115,902,654.62
  5. Step 5: Solve for x
    x = 325,115,902,654.62/491,541.80
  6. Step 6: Final answer
    x = 661,420.66

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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.