Home / 746,377.20-1,120,003.20-273,110.40

Finding the Fourth Proportional to 746,377.20, 1,120,003.20 and 273,110.40

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Solution

The fourth proportional to 746,377.20, 1,120,003.20 and 273,110.40 is: 409,825.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,377.20 : 1,120,003.20 = 273,110.40 : x
  2. Step 2: Convert to fraction form
    746,377.20/1,120,003.20 = 273,110.40/x
  3. Step 3: Cross multiply
    746,377.20x = 1,120,003.20 × 273,110.40
  4. Step 4: Simplify right side
    746,377.20x = 305,884,521,953.28
  5. Step 5: Solve for x
    x = 305,884,521,953.28/746,377.20
  6. Step 6: Final answer
    x = 409,825.65

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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.