Home / 1,030.60-1,422.17-588.49

Finding the Fourth Proportional to 1,030.60, 1,422.17 and 588.49

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Solution

The fourth proportional to 1,030.60, 1,422.17 and 588.49 is: 812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.60 : 1,422.17 = 588.49 : x
  2. Step 2: Convert to fraction form
    1,030.60/1,422.17 = 588.49/x
  3. Step 3: Cross multiply
    1,030.60x = 1,422.17 × 588.49
  4. Step 4: Simplify right side
    1,030.60x = 836,928.53
  5. Step 5: Solve for x
    x = 836,928.53/1,030.60
  6. Step 6: Final answer
    x = 812.08

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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.