Home / 745,144.95-1,117,090.49-324,103.71

Finding the Fourth Proportional to 745,144.95, 1,117,090.49 and 324,103.71

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Solution

The fourth proportional to 745,144.95, 1,117,090.49 and 324,103.71 is: 485,882.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,144.95 : 1,117,090.49 = 324,103.71 : x
  2. Step 2: Convert to fraction form
    745,144.95/1,117,090.49 = 324,103.71/x
  3. Step 3: Cross multiply
    745,144.95x = 1,117,090.49 × 324,103.71
  4. Step 4: Simplify right side
    745,144.95x = 362,053,170,594.20
  5. Step 5: Solve for x
    x = 362,053,170,594.20/745,144.95
  6. Step 6: Final answer
    x = 485,882.87

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Double scale
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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.