Home / 738,777.76-1,108,166.85-177,812.26

Finding the Fourth Proportional to 738,777.76, 1,108,166.85 and 177,812.26

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Solution

The fourth proportional to 738,777.76, 1,108,166.85 and 177,812.26 is: 266,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,777.76 : 1,108,166.85 = 177,812.26 : x
  2. Step 2: Convert to fraction form
    738,777.76/1,108,166.85 = 177,812.26/x
  3. Step 3: Cross multiply
    738,777.76x = 1,108,166.85 × 177,812.26
  4. Step 4: Simplify right side
    738,777.76x = 197,045,652,055.58
  5. Step 5: Solve for x
    x = 197,045,652,055.58/738,777.76
  6. Step 6: Final answer
    x = 266,718.44

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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.