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Finding the Fourth Proportional to 666,562.96, 1,000,095.03 and 396,846.73

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Solution

The fourth proportional to 666,562.96, 1,000,095.03 and 396,846.73 is: 595,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,562.96 : 1,000,095.03 = 396,846.73 : x
  2. Step 2: Convert to fraction form
    666,562.96/1,000,095.03 = 396,846.73/x
  3. Step 3: Cross multiply
    666,562.96x = 1,000,095.03 × 396,846.73
  4. Step 4: Simplify right side
    666,562.96x = 396,884,442,344.75
  5. Step 5: Solve for x
    x = 396,884,442,344.75/666,562.96
  6. Step 6: Final answer
    x = 595,419.29

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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.