Home / 725,841.26-1,088,892.85-299,139.96

Finding the Fourth Proportional to 725,841.26, 1,088,892.85 and 299,139.96

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Solution

The fourth proportional to 725,841.26, 1,088,892.85 and 299,139.96 is: 448,763.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,841.26 : 1,088,892.85 = 299,139.96 : x
  2. Step 2: Convert to fraction form
    725,841.26/1,088,892.85 = 299,139.96/x
  3. Step 3: Cross multiply
    725,841.26x = 1,088,892.85 × 299,139.96
  4. Step 4: Simplify right side
    725,841.26x = 325,731,356,653.12
  5. Step 5: Solve for x
    x = 325,731,356,653.12/725,841.26
  6. Step 6: Final answer
    x = 448,763.91

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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.