Home / 801,178.27-1,105,625.93-438,601.01

Finding the Fourth Proportional to 801,178.27, 1,105,625.93 and 438,601.01

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Solution

The fourth proportional to 801,178.27, 1,105,625.93 and 438,601.01 is: 605,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,178.27 : 1,105,625.93 = 438,601.01 : x
  2. Step 2: Convert to fraction form
    801,178.27/1,105,625.93 = 438,601.01/x
  3. Step 3: Cross multiply
    801,178.27x = 1,105,625.93 × 438,601.01
  4. Step 4: Simplify right side
    801,178.27x = 484,928,641,859.06
  5. Step 5: Solve for x
    x = 484,928,641,859.06/801,178.27
  6. Step 6: Final answer
    x = 605,269.34

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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.