Home / 758,844.90-1,138,121.55-226,383.30

Finding the Fourth Proportional to 758,844.90, 1,138,121.55 and 226,383.30

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Solution

The fourth proportional to 758,844.90, 1,138,121.55 and 226,383.30 is: 339,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,844.90 : 1,138,121.55 = 226,383.30 : x
  2. Step 2: Convert to fraction form
    758,844.90/1,138,121.55 = 226,383.30/x
  3. Step 3: Cross multiply
    758,844.90x = 1,138,121.55 × 226,383.30
  4. Step 4: Simplify right side
    758,844.90x = 257,651,712,290.12
  5. Step 5: Solve for x
    x = 257,651,712,290.12/758,844.90
  6. Step 6: Final answer
    x = 339,531.45

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Double scale
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Similar ratio
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1.5x scale

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.