Home / 725,085.20-1,087,627.80-251,721.20

Finding the Fourth Proportional to 725,085.20, 1,087,627.80 and 251,721.20

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Solution

The fourth proportional to 725,085.20, 1,087,627.80 and 251,721.20 is: 377,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,085.20 : 1,087,627.80 = 251,721.20 : x
  2. Step 2: Convert to fraction form
    725,085.20/1,087,627.80 = 251,721.20/x
  3. Step 3: Cross multiply
    725,085.20x = 1,087,627.80 × 251,721.20
  4. Step 4: Simplify right side
    725,085.20x = 273,778,974,969.36
  5. Step 5: Solve for x
    x = 273,778,974,969.36/725,085.20
  6. Step 6: Final answer
    x = 377,581.80

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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.