Home / 726,805.40-1,090,649.23-271,727.96

Finding the Fourth Proportional to 726,805.40, 1,090,649.23 and 271,727.96

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Solution

The fourth proportional to 726,805.40, 1,090,649.23 and 271,727.96 is: 407,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,805.40 : 1,090,649.23 = 271,727.96 : x
  2. Step 2: Convert to fraction form
    726,805.40/1,090,649.23 = 271,727.96/x
  3. Step 3: Cross multiply
    726,805.40x = 1,090,649.23 × 271,727.96
  4. Step 4: Simplify right side
    726,805.40x = 296,359,884,210.91
  5. Step 5: Solve for x
    x = 296,359,884,210.91/726,805.40
  6. Step 6: Final answer
    x = 407,756.86

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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.