Home / 801,401.63-1,105,959.27-438,859.89

Finding the Fourth Proportional to 801,401.63, 1,105,959.27 and 438,859.89

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Solution

The fourth proportional to 801,401.63, 1,105,959.27 and 438,859.89 is: 605,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,401.63 : 1,105,959.27 = 438,859.89 : x
  2. Step 2: Convert to fraction form
    801,401.63/1,105,959.27 = 438,859.89/x
  3. Step 3: Cross multiply
    801,401.63x = 1,105,959.27 × 438,859.89
  4. Step 4: Simplify right side
    801,401.63x = 485,361,163,576.68
  5. Step 5: Solve for x
    x = 485,361,163,576.68/801,401.63
  6. Step 6: Final answer
    x = 605,640.35

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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.