Home / 946,140.72-1,419,837.88-519,974.16

Finding the Fourth Proportional to 946,140.72, 1,419,837.88 and 519,974.16

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Solution

The fourth proportional to 946,140.72, 1,419,837.88 and 519,974.16 is: 780,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,140.72 : 1,419,837.88 = 519,974.16 : x
  2. Step 2: Convert to fraction form
    946,140.72/1,419,837.88 = 519,974.16/x
  3. Step 3: Cross multiply
    946,140.72x = 1,419,837.88 × 519,974.16
  4. Step 4: Simplify right side
    946,140.72x = 738,279,008,989.18
  5. Step 5: Solve for x
    x = 738,279,008,989.18/946,140.72
  6. Step 6: Final answer
    x = 780,305.71

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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.