Home / 739,206.30-1,108,809.45-178,240.80

Finding the Fourth Proportional to 739,206.30, 1,108,809.45 and 178,240.80

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Solution

The fourth proportional to 739,206.30, 1,108,809.45 and 178,240.80 is: 267,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,206.30 : 1,108,809.45 = 178,240.80 : x
  2. Step 2: Convert to fraction form
    739,206.30/1,108,809.45 = 178,240.80/x
  3. Step 3: Cross multiply
    739,206.30x = 1,108,809.45 × 178,240.80
  4. Step 4: Simplify right side
    739,206.30x = 197,635,083,415.56
  5. Step 5: Solve for x
    x = 197,635,083,415.56/739,206.30
  6. Step 6: Final answer
    x = 267,361.20

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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.