Home / 852,732.54-1,278,424.08-320,194.26

Finding the Fourth Proportional to 852,732.54, 1,278,424.08 and 320,194.26

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Solution

The fourth proportional to 852,732.54, 1,278,424.08 and 320,194.26 is: 480,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,732.54 : 1,278,424.08 = 320,194.26 : x
  2. Step 2: Convert to fraction form
    852,732.54/1,278,424.08 = 320,194.26/x
  3. Step 3: Cross multiply
    852,732.54x = 1,278,424.08 × 320,194.26
  4. Step 4: Simplify right side
    852,732.54x = 409,344,052,261.78
  5. Step 5: Solve for x
    x = 409,344,052,261.78/852,732.54
  6. Step 6: Final answer
    x = 480,038.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.