Home / 911,921.78-1,367,882.70-247,073.78

Finding the Fourth Proportional to 911,921.78, 1,367,882.70 and 247,073.78

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Solution

The fourth proportional to 911,921.78, 1,367,882.70 and 247,073.78 is: 370,610.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,921.78 : 1,367,882.70 = 247,073.78 : x
  2. Step 2: Convert to fraction form
    911,921.78/1,367,882.70 = 247,073.78/x
  3. Step 3: Cross multiply
    911,921.78x = 1,367,882.70 × 247,073.78
  4. Step 4: Simplify right side
    911,921.78x = 337,967,949,285.61
  5. Step 5: Solve for x
    x = 337,967,949,285.61/911,921.78
  6. Step 6: Final answer
    x = 370,610.68

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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.