Home / 739,031.31-1,108,547.91-178,065.81

Finding the Fourth Proportional to 739,031.31, 1,108,547.91 and 178,065.81

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Solution

The fourth proportional to 739,031.31, 1,108,547.91 and 178,065.81 is: 267,098.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,031.31 : 1,108,547.91 = 178,065.81 : x
  2. Step 2: Convert to fraction form
    739,031.31/1,108,547.91 = 178,065.81/x
  3. Step 3: Cross multiply
    739,031.31x = 1,108,547.91 × 178,065.81
  4. Step 4: Simplify right side
    739,031.31x = 197,394,481,517.96
  5. Step 5: Solve for x
    x = 197,394,481,517.96/739,031.31
  6. Step 6: Final answer
    x = 267,098.94

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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.