Home / 921,487.73-1,382,138.16-247,481.48

Finding the Fourth Proportional to 921,487.73, 1,382,138.16 and 247,481.48

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Solution

The fourth proportional to 921,487.73, 1,382,138.16 and 247,481.48 is: 371,197.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,487.73 : 1,382,138.16 = 247,481.48 : x
  2. Step 2: Convert to fraction form
    921,487.73/1,382,138.16 = 247,481.48/x
  3. Step 3: Cross multiply
    921,487.73x = 1,382,138.16 × 247,481.48
  4. Step 4: Simplify right side
    921,487.73x = 342,053,597,401.28
  5. Step 5: Solve for x
    x = 342,053,597,401.28/921,487.73
  6. Step 6: Final answer
    x = 371,197.13

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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.