Home / 725,538.60-1,087,530.30-276,085.80

Finding the Fourth Proportional to 725,538.60, 1,087,530.30 and 276,085.80

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Solution

The fourth proportional to 725,538.60, 1,087,530.30 and 276,085.80 is: 413,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,538.60 : 1,087,530.30 = 276,085.80 : x
  2. Step 2: Convert to fraction form
    725,538.60/1,087,530.30 = 276,085.80/x
  3. Step 3: Cross multiply
    725,538.60x = 1,087,530.30 × 276,085.80
  4. Step 4: Simplify right side
    725,538.60x = 300,251,672,899.74
  5. Step 5: Solve for x
    x = 300,251,672,899.74/725,538.60
  6. Step 6: Final answer
    x = 413,832.80

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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.