Home / 738,780.57-1,108,171.16-177,815.07

Finding the Fourth Proportional to 738,780.57, 1,108,171.16 and 177,815.07

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Solution

The fourth proportional to 738,780.57, 1,108,171.16 and 177,815.07 is: 266,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,780.57 : 1,108,171.16 = 177,815.07 : x
  2. Step 2: Convert to fraction form
    738,780.57/1,108,171.16 = 177,815.07/x
  3. Step 3: Cross multiply
    738,780.57x = 1,108,171.16 × 177,815.07
  4. Step 4: Simplify right side
    738,780.57x = 197,049,532,387.38
  5. Step 5: Solve for x
    x = 197,049,532,387.38/738,780.57
  6. Step 6: Final answer
    x = 266,722.68

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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.