Home / 739,548.74-1,109,326.36-234,112.20

Finding the Fourth Proportional to 739,548.74, 1,109,326.36 and 234,112.20

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Solution

The fourth proportional to 739,548.74, 1,109,326.36 and 234,112.20 is: 351,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,548.74 : 1,109,326.36 = 234,112.20 : x
  2. Step 2: Convert to fraction form
    739,548.74/1,109,326.36 = 234,112.20/x
  3. Step 3: Cross multiply
    739,548.74x = 1,109,326.36 × 234,112.20
  4. Step 4: Simplify right side
    739,548.74x = 259,706,834,129.72
  5. Step 5: Solve for x
    x = 259,706,834,129.72/739,548.74
  6. Step 6: Final answer
    x = 351,169.33

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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.