Home / 748,149.50-1,032,446.32-408,618.56

Finding the Fourth Proportional to 748,149.50, 1,032,446.32 and 408,618.56

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Solution

The fourth proportional to 748,149.50, 1,032,446.32 and 408,618.56 is: 563,893.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,149.50 : 1,032,446.32 = 408,618.56 : x
  2. Step 2: Convert to fraction form
    748,149.50/1,032,446.32 = 408,618.56/x
  3. Step 3: Cross multiply
    748,149.50x = 1,032,446.32 × 408,618.56
  4. Step 4: Simplify right side
    748,149.50x = 421,876,728,555.70
  5. Step 5: Solve for x
    x = 421,876,728,555.70/748,149.50
  6. Step 6: Final answer
    x = 563,893.62

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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.