Home / 770,129.52-1,154,906.64-264,546.96

Finding the Fourth Proportional to 770,129.52, 1,154,906.64 and 264,546.96

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Solution

The fourth proportional to 770,129.52, 1,154,906.64 and 264,546.96 is: 396,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,129.52 : 1,154,906.64 = 264,546.96 : x
  2. Step 2: Convert to fraction form
    770,129.52/1,154,906.64 = 264,546.96/x
  3. Step 3: Cross multiply
    770,129.52x = 1,154,906.64 × 264,546.96
  4. Step 4: Simplify right side
    770,129.52x = 305,527,040,695.81
  5. Step 5: Solve for x
    x = 305,527,040,695.81/770,129.52
  6. Step 6: Final answer
    x = 396,721.63

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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.