Home / 738,685.68-1,108,028.48-177,720.16

Finding the Fourth Proportional to 738,685.68, 1,108,028.48 and 177,720.16

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Solution

The fourth proportional to 738,685.68, 1,108,028.48 and 177,720.16 is: 266,580.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,685.68 : 1,108,028.48 = 177,720.16 : x
  2. Step 2: Convert to fraction form
    738,685.68/1,108,028.48 = 177,720.16/x
  3. Step 3: Cross multiply
    738,685.68x = 1,108,028.48 × 177,720.16
  4. Step 4: Simplify right side
    738,685.68x = 196,918,998,750.16
  5. Step 5: Solve for x
    x = 196,918,998,750.16/738,685.68
  6. Step 6: Final answer
    x = 266,580.23

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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.