Home / 1,030.56-1,421.97-588.60

Finding the Fourth Proportional to 1,030.56, 1,421.97 and 588.60

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Solution

The fourth proportional to 1,030.56, 1,421.97 and 588.60 is: 812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.56 : 1,421.97 = 588.60 : x
  2. Step 2: Convert to fraction form
    1,030.56/1,421.97 = 588.60/x
  3. Step 3: Cross multiply
    1,030.56x = 1,421.97 × 588.60
  4. Step 4: Simplify right side
    1,030.56x = 836,974.67
  5. Step 5: Solve for x
    x = 836,974.67/1,030.56
  6. Step 6: Final answer
    x = 812.16

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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.