Home / 765,318.78-1,147,233.78-365,855.94

Finding the Fourth Proportional to 765,318.78, 1,147,233.78 and 365,855.94

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Solution

The fourth proportional to 765,318.78, 1,147,233.78 and 365,855.94 is: 548,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,318.78 : 1,147,233.78 = 365,855.94 : x
  2. Step 2: Convert to fraction form
    765,318.78/1,147,233.78 = 365,855.94/x
  3. Step 3: Cross multiply
    765,318.78x = 1,147,233.78 × 365,855.94
  4. Step 4: Simplify right side
    765,318.78x = 419,722,292,981.65
  5. Step 5: Solve for x
    x = 419,722,292,981.65/765,318.78
  6. Step 6: Final answer
    x = 548,428.06

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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.