Home / 725,207.07-1,087,810.61-275,824.14

Finding the Fourth Proportional to 725,207.07, 1,087,810.61 and 275,824.14

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Solution

The fourth proportional to 725,207.07, 1,087,810.61 and 275,824.14 is: 413,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,207.07 : 1,087,810.61 = 275,824.14 : x
  2. Step 2: Convert to fraction form
    725,207.07/1,087,810.61 = 275,824.14/x
  3. Step 3: Cross multiply
    725,207.07x = 1,087,810.61 × 275,824.14
  4. Step 4: Simplify right side
    725,207.07x = 300,044,422,079.23
  5. Step 5: Solve for x
    x = 300,044,422,079.23/725,207.07
  6. Step 6: Final answer
    x = 413,736.20

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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.