Home / 801,055.22-1,105,457.85-438,502.28

Finding the Fourth Proportional to 801,055.22, 1,105,457.85 and 438,502.28

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Solution

The fourth proportional to 801,055.22, 1,105,457.85 and 438,502.28 is: 605,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,055.22 : 1,105,457.85 = 438,502.28 : x
  2. Step 2: Convert to fraction form
    801,055.22/1,105,457.85 = 438,502.28/x
  3. Step 3: Cross multiply
    801,055.22x = 1,105,457.85 × 438,502.28
  4. Step 4: Simplify right side
    801,055.22x = 484,745,782,141.61
  5. Step 5: Solve for x
    x = 484,745,782,141.61/801,055.22
  6. Step 6: Final answer
    x = 605,134.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.