Home / 758,781.80-1,138,230.30-226,261.16

Finding the Fourth Proportional to 758,781.80, 1,138,230.30 and 226,261.16

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Solution

The fourth proportional to 758,781.80, 1,138,230.30 and 226,261.16 is: 339,408.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,781.80 : 1,138,230.30 = 226,261.16 : x
  2. Step 2: Convert to fraction form
    758,781.80/1,138,230.30 = 226,261.16/x
  3. Step 3: Cross multiply
    758,781.80x = 1,138,230.30 × 226,261.16
  4. Step 4: Simplify right side
    758,781.80x = 257,537,308,025.15
  5. Step 5: Solve for x
    x = 257,537,308,025.15/758,781.80
  6. Step 6: Final answer
    x = 339,408.92

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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.