Home / 726,019.80-1,088,230.28-299,321.58

Finding the Fourth Proportional to 726,019.80, 1,088,230.28 and 299,321.58

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Solution

The fourth proportional to 726,019.80, 1,088,230.28 and 299,321.58 is: 448,652.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,019.80 : 1,088,230.28 = 299,321.58 : x
  2. Step 2: Convert to fraction form
    726,019.80/1,088,230.28 = 299,321.58/x
  3. Step 3: Cross multiply
    726,019.80x = 1,088,230.28 × 299,321.58
  4. Step 4: Simplify right side
    726,019.80x = 325,730,801,372.29
  5. Step 5: Solve for x
    x = 325,730,801,372.29/726,019.80
  6. Step 6: Final answer
    x = 448,652.78

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Double scale
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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.