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Finding the Fourth Proportional to 648,241.74, 894,658.23 and 361,821.29

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Solution

The fourth proportional to 648,241.74, 894,658.23 and 361,821.29 is: 499,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,241.74 : 894,658.23 = 361,821.29 : x
  2. Step 2: Convert to fraction form
    648,241.74/894,658.23 = 361,821.29/x
  3. Step 3: Cross multiply
    648,241.74x = 894,658.23 × 361,821.29
  4. Step 4: Simplify right side
    648,241.74x = 323,706,390,414.43
  5. Step 5: Solve for x
    x = 323,706,390,414.43/648,241.74
  6. Step 6: Final answer
    x = 499,360.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.