Home / 725,084.80-1,087,195.20-444,803.20

Finding the Fourth Proportional to 725,084.80, 1,087,195.20 and 444,803.20

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Solution

The fourth proportional to 725,084.80, 1,087,195.20 and 444,803.20 is: 666,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,084.80 : 1,087,195.20 = 444,803.20 : x
  2. Step 2: Convert to fraction form
    725,084.80/1,087,195.20 = 444,803.20/x
  3. Step 3: Cross multiply
    725,084.80x = 1,087,195.20 × 444,803.20
  4. Step 4: Simplify right side
    725,084.80x = 483,587,903,984.64
  5. Step 5: Solve for x
    x = 483,587,903,984.64/725,084.80
  6. Step 6: Final answer
    x = 666,939.79

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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.