Home / 798,481.29-1,101,920.86-435,920.43

Finding the Fourth Proportional to 798,481.29, 1,101,920.86 and 435,920.43

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Solution

The fourth proportional to 798,481.29, 1,101,920.86 and 435,920.43 is: 601,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,481.29 : 1,101,920.86 = 435,920.43 : x
  2. Step 2: Convert to fraction form
    798,481.29/1,101,920.86 = 435,920.43/x
  3. Step 3: Cross multiply
    798,481.29x = 1,101,920.86 × 435,920.43
  4. Step 4: Simplify right side
    798,481.29x = 480,349,819,794.27
  5. Step 5: Solve for x
    x = 480,349,819,794.27/798,481.29
  6. Step 6: Final answer
    x = 601,579.30

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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.