Home / 1,035.27-1,428.78-593.21

Finding the Fourth Proportional to 1,035.27, 1,428.78 and 593.21

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Solution

The fourth proportional to 1,035.27, 1,428.78 and 593.21 is: 818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.27 : 1,428.78 = 593.21 : x
  2. Step 2: Convert to fraction form
    1,035.27/1,428.78 = 593.21/x
  3. Step 3: Cross multiply
    1,035.27x = 1,428.78 × 593.21
  4. Step 4: Simplify right side
    1,035.27x = 847,559.44
  5. Step 5: Solve for x
    x = 847,559.44/1,035.27
  6. Step 6: Final answer
    x = 818.68

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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.