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Finding the Fourth Proportional to 649,690.67, 973,881.70 and 270,821.14

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Solution

The fourth proportional to 649,690.67, 973,881.70 and 270,821.14 is: 405,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,690.67 : 973,881.70 = 270,821.14 : x
  2. Step 2: Convert to fraction form
    649,690.67/973,881.70 = 270,821.14/x
  3. Step 3: Cross multiply
    649,690.67x = 973,881.70 × 270,821.14
  4. Step 4: Simplify right side
    649,690.67x = 263,747,749,107.38
  5. Step 5: Solve for x
    x = 263,747,749,107.38/649,690.67
  6. Step 6: Final answer
    x = 405,958.96

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1.5x scale

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.