Home / 765,259.65-1,147,908.38-365,942.61

Finding the Fourth Proportional to 765,259.65, 1,147,908.38 and 365,942.61

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Solution

The fourth proportional to 765,259.65, 1,147,908.38 and 365,942.61 is: 548,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,259.65 : 1,147,908.38 = 365,942.61 : x
  2. Step 2: Convert to fraction form
    765,259.65/1,147,908.38 = 365,942.61/x
  3. Step 3: Cross multiply
    765,259.65x = 1,147,908.38 × 365,942.61
  4. Step 4: Simplify right side
    765,259.65x = 420,068,586,788.36
  5. Step 5: Solve for x
    x = 420,068,586,788.36/765,259.65
  6. Step 6: Final answer
    x = 548,922.95

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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.