Home / 725,872.80-1,088,809.20-610,399.20

Finding the Fourth Proportional to 725,872.80, 1,088,809.20 and 610,399.20

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Solution

The fourth proportional to 725,872.80, 1,088,809.20 and 610,399.20 is: 915,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,872.80 : 1,088,809.20 = 610,399.20 : x
  2. Step 2: Convert to fraction form
    725,872.80/1,088,809.20 = 610,399.20/x
  3. Step 3: Cross multiply
    725,872.80x = 1,088,809.20 × 610,399.20
  4. Step 4: Simplify right side
    725,872.80x = 664,608,264,632.64
  5. Step 5: Solve for x
    x = 664,608,264,632.64/725,872.80
  6. Step 6: Final answer
    x = 915,598.80

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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.