Home / 691,082.20-1,036,675.78-235,531.85

Finding the Fourth Proportional to 691,082.20, 1,036,675.78 and 235,531.85

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Solution

The fourth proportional to 691,082.20, 1,036,675.78 and 235,531.85 is: 353,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,082.20 : 1,036,675.78 = 235,531.85 : x
  2. Step 2: Convert to fraction form
    691,082.20/1,036,675.78 = 235,531.85/x
  3. Step 3: Cross multiply
    691,082.20x = 1,036,675.78 × 235,531.85
  4. Step 4: Simplify right side
    691,082.20x = 244,170,163,135.93
  5. Step 5: Solve for x
    x = 244,170,163,135.93/691,082.20
  6. Step 6: Final answer
    x = 353,315.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.