Home / 726,727.90-1,090,480.65-306,046.30

Finding the Fourth Proportional to 726,727.90, 1,090,480.65 and 306,046.30

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Solution

The fourth proportional to 726,727.90, 1,090,480.65 and 306,046.30 is: 459,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,727.90 : 1,090,480.65 = 306,046.30 : x
  2. Step 2: Convert to fraction form
    726,727.90/1,090,480.65 = 306,046.30/x
  3. Step 3: Cross multiply
    726,727.90x = 1,090,480.65 × 306,046.30
  4. Step 4: Simplify right side
    726,727.90x = 333,737,568,154.10
  5. Step 5: Solve for x
    x = 333,737,568,154.10/726,727.90
  6. Step 6: Final answer
    x = 459,233.19

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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.