Home / 758,980.17-1,138,469.13-198,014.67

Finding the Fourth Proportional to 758,980.17, 1,138,469.13 and 198,014.67

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Solution

The fourth proportional to 758,980.17, 1,138,469.13 and 198,014.67 is: 297,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,980.17 : 1,138,469.13 = 198,014.67 : x
  2. Step 2: Convert to fraction form
    758,980.17/1,138,469.13 = 198,014.67/x
  3. Step 3: Cross multiply
    758,980.17x = 1,138,469.13 × 198,014.67
  4. Step 4: Simplify right side
    758,980.17x = 225,433,589,082.14
  5. Step 5: Solve for x
    x = 225,433,589,082.14/758,980.17
  6. Step 6: Final answer
    x = 297,021.71

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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.