Home / 738,778.69-1,108,168.34-177,813.19

Finding the Fourth Proportional to 738,778.69, 1,108,168.34 and 177,813.19

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Solution

The fourth proportional to 738,778.69, 1,108,168.34 and 177,813.19 is: 266,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,778.69 : 1,108,168.34 = 177,813.19 : x
  2. Step 2: Convert to fraction form
    738,778.69/1,108,168.34 = 177,813.19/x
  3. Step 3: Cross multiply
    738,778.69x = 1,108,168.34 × 177,813.19
  4. Step 4: Simplify right side
    738,778.69x = 197,046,947,592.41
  5. Step 5: Solve for x
    x = 197,046,947,592.41/738,778.69
  6. Step 6: Final answer
    x = 266,719.86

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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.