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Finding the Fourth Proportional to 649,711.53, 973,912.86 and 270,841.86

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Solution

The fourth proportional to 649,711.53, 973,912.86 and 270,841.86 is: 405,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,711.53 : 973,912.86 = 270,841.86 : x
  2. Step 2: Convert to fraction form
    649,711.53/973,912.86 = 270,841.86/x
  3. Step 3: Cross multiply
    649,711.53x = 973,912.86 × 270,841.86
  4. Step 4: Simplify right side
    649,711.53x = 263,776,370,480.32
  5. Step 5: Solve for x
    x = 263,776,370,480.32/649,711.53
  6. Step 6: Final answer
    x = 405,989.98

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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.