Home / 801,066.31-1,105,471.90-438,492.29

Finding the Fourth Proportional to 801,066.31, 1,105,471.90 and 438,492.29

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Solution

The fourth proportional to 801,066.31, 1,105,471.90 and 438,492.29 is: 605,119.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,066.31 : 1,105,471.90 = 438,492.29 : x
  2. Step 2: Convert to fraction form
    801,066.31/1,105,471.90 = 438,492.29/x
  3. Step 3: Cross multiply
    801,066.31x = 1,105,471.90 × 438,492.29
  4. Step 4: Simplify right side
    801,066.31x = 484,740,899,982.41
  5. Step 5: Solve for x
    x = 484,740,899,982.41/801,066.31
  6. Step 6: Final answer
    x = 605,119.57

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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.