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Finding the Fourth Proportional to 649,697.39, 973,891.86 and 270,827.89

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Solution

The fourth proportional to 649,697.39, 973,891.86 and 270,827.89 is: 405,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,697.39 : 973,891.86 = 270,827.89 : x
  2. Step 2: Convert to fraction form
    649,697.39/973,891.86 = 270,827.89/x
  3. Step 3: Cross multiply
    649,697.39x = 973,891.86 × 270,827.89
  4. Step 4: Simplify right side
    649,697.39x = 263,757,074,081.64
  5. Step 5: Solve for x
    x = 263,757,074,081.64/649,697.39
  6. Step 6: Final answer
    x = 405,969.12

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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.