Home / 801,454.29-1,106,008.79-438,901.89

Finding the Fourth Proportional to 801,454.29, 1,106,008.79 and 438,901.89

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Solution

The fourth proportional to 801,454.29, 1,106,008.79 and 438,901.89 is: 605,685.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,454.29 : 1,106,008.79 = 438,901.89 : x
  2. Step 2: Convert to fraction form
    801,454.29/1,106,008.79 = 438,901.89/x
  3. Step 3: Cross multiply
    801,454.29x = 1,106,008.79 × 438,901.89
  4. Step 4: Simplify right side
    801,454.29x = 485,429,346,093.10
  5. Step 5: Solve for x
    x = 485,429,346,093.10/801,454.29
  6. Step 6: Final answer
    x = 605,685.63

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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.