Home / 763,233.20-1,144,979.40-408,150.80

Finding the Fourth Proportional to 763,233.20, 1,144,979.40 and 408,150.80

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Solution

The fourth proportional to 763,233.20, 1,144,979.40 and 408,150.80 is: 612,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,233.20 : 1,144,979.40 = 408,150.80 : x
  2. Step 2: Convert to fraction form
    763,233.20/1,144,979.40 = 408,150.80/x
  3. Step 3: Cross multiply
    763,233.20x = 1,144,979.40 × 408,150.80
  4. Step 4: Simplify right side
    763,233.20x = 467,324,258,093.52
  5. Step 5: Solve for x
    x = 467,324,258,093.52/763,233.20
  6. Step 6: Final answer
    x = 612,295.51

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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.