Home / 801,113.73-1,105,536.87-438,537.84

Finding the Fourth Proportional to 801,113.73, 1,105,536.87 and 438,537.84

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Solution

The fourth proportional to 801,113.73, 1,105,536.87 and 438,537.84 is: 605,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,113.73 : 1,105,536.87 = 438,537.84 : x
  2. Step 2: Convert to fraction form
    801,113.73/1,105,536.87 = 438,537.84/x
  3. Step 3: Cross multiply
    801,113.73x = 1,105,536.87 × 438,537.84
  4. Step 4: Simplify right side
    801,113.73x = 484,819,751,010.16
  5. Step 5: Solve for x
    x = 484,819,751,010.16/801,113.73
  6. Step 6: Final answer
    x = 605,182.18

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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.