Home / 738,778.26-1,108,167.60-177,812.76

Finding the Fourth Proportional to 738,778.26, 1,108,167.60 and 177,812.76

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Solution

The fourth proportional to 738,778.26, 1,108,167.60 and 177,812.76 is: 266,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,778.26 : 1,108,167.60 = 177,812.76 : x
  2. Step 2: Convert to fraction form
    738,778.26/1,108,167.60 = 177,812.76/x
  3. Step 3: Cross multiply
    738,778.26x = 1,108,167.60 × 177,812.76
  4. Step 4: Simplify right side
    738,778.26x = 197,046,339,498.58
  5. Step 5: Solve for x
    x = 197,046,339,498.58/738,778.26
  6. Step 6: Final answer
    x = 266,719.19

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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.