Home / 1,030.56-1,422.07-610.93

Finding the Fourth Proportional to 1,030.56, 1,422.07 and 610.93

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Solution

The fourth proportional to 1,030.56, 1,422.07 and 610.93 is: 843.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.56 : 1,422.07 = 610.93 : x
  2. Step 2: Convert to fraction form
    1,030.56/1,422.07 = 610.93/x
  3. Step 3: Cross multiply
    1,030.56x = 1,422.07 × 610.93
  4. Step 4: Simplify right side
    1,030.56x = 868,785.23
  5. Step 5: Solve for x
    x = 868,785.23/1,030.56
  6. Step 6: Final answer
    x = 843.02

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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.