Home / 758,940.60-1,138,065.30-337,999.80

Finding the Fourth Proportional to 758,940.60, 1,138,065.30 and 337,999.80

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Solution

The fourth proportional to 758,940.60, 1,138,065.30 and 337,999.80 is: 506,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,940.60 : 1,138,065.30 = 337,999.80 : x
  2. Step 2: Convert to fraction form
    758,940.60/1,138,065.30 = 337,999.80/x
  3. Step 3: Cross multiply
    758,940.60x = 1,138,065.30 × 337,999.80
  4. Step 4: Simplify right side
    758,940.60x = 384,665,843,786.94
  5. Step 5: Solve for x
    x = 384,665,843,786.94/758,940.60
  6. Step 6: Final answer
    x = 506,845.78

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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.