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Finding the Fourth Proportional to 547,752.72, 822,305.67 and 259,839.63

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Solution

The fourth proportional to 547,752.72, 822,305.67 and 259,839.63 is: 390,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,752.72 : 822,305.67 = 259,839.63 : x
  2. Step 2: Convert to fraction form
    547,752.72/822,305.67 = 259,839.63/x
  3. Step 3: Cross multiply
    547,752.72x = 822,305.67 × 259,839.63
  4. Step 4: Simplify right side
    547,752.72x = 213,667,601,039.70
  5. Step 5: Solve for x
    x = 213,667,601,039.70/547,752.72
  6. Step 6: Final answer
    x = 390,080.40

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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.