Home / 532,481.28-734,854.05-290,786.33

Finding the Fourth Proportional to 532,481.28, 734,854.05 and 290,786.33

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Solution

The fourth proportional to 532,481.28, 734,854.05 and 290,786.33 is: 401,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,481.28 : 734,854.05 = 290,786.33 : x
  2. Step 2: Convert to fraction form
    532,481.28/734,854.05 = 290,786.33/x
  3. Step 3: Cross multiply
    532,481.28x = 734,854.05 × 290,786.33
  4. Step 4: Simplify right side
    532,481.28x = 213,685,508,610.87
  5. Step 5: Solve for x
    x = 213,685,508,610.87/532,481.28
  6. Step 6: Final answer
    x = 401,301.45

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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.