Home / 925.12-1,276.32-610.54

Finding the Fourth Proportional to 925.12, 1,276.32 and 610.54

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Solution

The fourth proportional to 925.12, 1,276.32 and 610.54 is: 842.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.12 : 1,276.32 = 610.54 : x
  2. Step 2: Convert to fraction form
    925.12/1,276.32 = 610.54/x
  3. Step 3: Cross multiply
    925.12x = 1,276.32 × 610.54
  4. Step 4: Simplify right side
    925.12x = 779,243.51
  5. Step 5: Solve for x
    x = 779,243.51/925.12
  6. Step 6: Final answer
    x = 842.32

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1.5x scale

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.