Home / 840,892.73-1,260,589.16-308,289.65

Finding the Fourth Proportional to 840,892.73, 1,260,589.16 and 308,289.65

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Solution

The fourth proportional to 840,892.73, 1,260,589.16 and 308,289.65 is: 462,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,892.73 : 1,260,589.16 = 308,289.65 : x
  2. Step 2: Convert to fraction form
    840,892.73/1,260,589.16 = 308,289.65/x
  3. Step 3: Cross multiply
    840,892.73x = 1,260,589.16 × 308,289.65
  4. Step 4: Simplify right side
    840,892.73x = 388,626,585,397.97
  5. Step 5: Solve for x
    x = 388,626,585,397.97/840,892.73
  6. Step 6: Final answer
    x = 462,159.53

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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.