Home / 792,930.87-1,189,520.24-260,330.76

Finding the Fourth Proportional to 792,930.87, 1,189,520.24 and 260,330.76

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Solution

The fourth proportional to 792,930.87, 1,189,520.24 and 260,330.76 is: 390,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,930.87 : 1,189,520.24 = 260,330.76 : x
  2. Step 2: Convert to fraction form
    792,930.87/1,189,520.24 = 260,330.76/x
  3. Step 3: Cross multiply
    792,930.87x = 1,189,520.24 × 260,330.76
  4. Step 4: Simplify right side
    792,930.87x = 309,668,706,812.93
  5. Step 5: Solve for x
    x = 309,668,706,812.93/792,930.87
  6. Step 6: Final answer
    x = 390,536.83

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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.