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Finding the Fourth Proportional to 506,253.36, 760,759.56 and 269,765.04

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Solution

The fourth proportional to 506,253.36, 760,759.56 and 269,765.04 is: 405,382.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,253.36 : 760,759.56 = 269,765.04 : x
  2. Step 2: Convert to fraction form
    506,253.36/760,759.56 = 269,765.04/x
  3. Step 3: Cross multiply
    506,253.36x = 760,759.56 × 269,765.04
  4. Step 4: Simplify right side
    506,253.36x = 205,226,333,133.78
  5. Step 5: Solve for x
    x = 205,226,333,133.78/506,253.36
  6. Step 6: Final answer
    x = 405,382.66

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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.