Home / 745,146.95-1,117,093.49-324,105.71

Finding the Fourth Proportional to 745,146.95, 1,117,093.49 and 324,105.71

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Solution

The fourth proportional to 745,146.95, 1,117,093.49 and 324,105.71 is: 485,885.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,146.95 : 1,117,093.49 = 324,105.71 : x
  2. Step 2: Convert to fraction form
    745,146.95/1,117,093.49 = 324,105.71/x
  3. Step 3: Cross multiply
    745,146.95x = 1,117,093.49 × 324,105.71
  4. Step 4: Simplify right side
    745,146.95x = 362,056,377,092.30
  5. Step 5: Solve for x
    x = 362,056,377,092.30/745,146.95
  6. Step 6: Final answer
    x = 485,885.87

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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.