Home / 801,060.03-1,105,464.51-438,507.06

Finding the Fourth Proportional to 801,060.03, 1,105,464.51 and 438,507.06

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Solution

The fourth proportional to 801,060.03, 1,105,464.51 and 438,507.06 is: 605,140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,060.03 : 1,105,464.51 = 438,507.06 : x
  2. Step 2: Convert to fraction form
    801,060.03/1,105,464.51 = 438,507.06/x
  3. Step 3: Cross multiply
    801,060.03x = 1,105,464.51 × 438,507.06
  4. Step 4: Simplify right side
    801,060.03x = 484,753,992,214.44
  5. Step 5: Solve for x
    x = 484,753,992,214.44/801,060.03
  6. Step 6: Final answer
    x = 605,140.66

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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.