Home / 770,124.16-1,155,383.04-296,682.56

Finding the Fourth Proportional to 770,124.16, 1,155,383.04 and 296,682.56

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Solution

The fourth proportional to 770,124.16, 1,155,383.04 and 296,682.56 is: 445,099.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,124.16 : 1,155,383.04 = 296,682.56 : x
  2. Step 2: Convert to fraction form
    770,124.16/1,155,383.04 = 296,682.56/x
  3. Step 3: Cross multiply
    770,124.16x = 1,155,383.04 × 296,682.56
  4. Step 4: Simplify right side
    770,124.16x = 342,781,998,087.78
  5. Step 5: Solve for x
    x = 342,781,998,087.78/770,124.16
  6. Step 6: Final answer
    x = 445,099.66

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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.