Home / 792,979.65-1,189,593.81-260,379.54

Finding the Fourth Proportional to 792,979.65, 1,189,593.81 and 260,379.54

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Solution

The fourth proportional to 792,979.65, 1,189,593.81 and 260,379.54 is: 390,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,979.65 : 1,189,593.81 = 260,379.54 : x
  2. Step 2: Convert to fraction form
    792,979.65/1,189,593.81 = 260,379.54/x
  3. Step 3: Cross multiply
    792,979.65x = 1,189,593.81 × 260,379.54
  4. Step 4: Simplify right side
    792,979.65x = 309,745,889,034.65
  5. Step 5: Solve for x
    x = 309,745,889,034.65/792,979.65
  6. Step 6: Final answer
    x = 390,610.14

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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.