Home / 946,138.72-1,419,834.89-519,972.16

Finding the Fourth Proportional to 946,138.72, 1,419,834.89 and 519,972.16

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Solution

The fourth proportional to 946,138.72, 1,419,834.89 and 519,972.16 is: 780,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,138.72 : 1,419,834.89 = 519,972.16 : x
  2. Step 2: Convert to fraction form
    946,138.72/1,419,834.89 = 519,972.16/x
  3. Step 3: Cross multiply
    946,138.72x = 1,419,834.89 × 519,972.16
  4. Step 4: Simplify right side
    946,138.72x = 738,274,614,596.66
  5. Step 5: Solve for x
    x = 738,274,614,596.66/946,138.72
  6. Step 6: Final answer
    x = 780,302.72

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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.