Home / 1,038.28-1,432.68-596.20

Finding the Fourth Proportional to 1,038.28, 1,432.68 and 596.20

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Solution

The fourth proportional to 1,038.28, 1,432.68 and 596.20 is: 822.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038.28 : 1,432.68 = 596.20 : x
  2. Step 2: Convert to fraction form
    1,038.28/1,432.68 = 596.20/x
  3. Step 3: Cross multiply
    1,038.28x = 1,432.68 × 596.20
  4. Step 4: Simplify right side
    1,038.28x = 854,163.82
  5. Step 5: Solve for x
    x = 854,163.82/1,038.28
  6. Step 6: Final answer
    x = 822.67

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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.