Home / 946,143.72-1,419,842.38-519,977.16

Finding the Fourth Proportional to 946,143.72, 1,419,842.38 and 519,977.16

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Solution

The fourth proportional to 946,143.72, 1,419,842.38 and 519,977.16 is: 780,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,143.72 : 1,419,842.38 = 519,977.16 : x
  2. Step 2: Convert to fraction form
    946,143.72/1,419,842.38 = 519,977.16/x
  3. Step 3: Cross multiply
    946,143.72x = 1,419,842.38 × 519,977.16
  4. Step 4: Simplify right side
    946,143.72x = 738,285,608,400.04
  5. Step 5: Solve for x
    x = 738,285,608,400.04/946,143.72
  6. Step 6: Final answer
    x = 780,310.21

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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.