Home / 801,035.12-1,105,427.66-438,455.73

Finding the Fourth Proportional to 801,035.12, 1,105,427.66 and 438,455.73

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Solution

The fourth proportional to 801,035.12, 1,105,427.66 and 438,455.73 is: 605,068.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,035.12 : 1,105,427.66 = 438,455.73 : x
  2. Step 2: Convert to fraction form
    801,035.12/1,105,427.66 = 438,455.73/x
  3. Step 3: Cross multiply
    801,035.12x = 1,105,427.66 × 438,455.73
  4. Step 4: Simplify right side
    801,035.12x = 484,681,093,580.57
  5. Step 5: Solve for x
    x = 484,681,093,580.57/801,035.12
  6. Step 6: Final answer
    x = 605,068.47

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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.