Home / 946,141.72-1,419,839.39-519,975.16

Finding the Fourth Proportional to 946,141.72, 1,419,839.39 and 519,975.16

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Solution

The fourth proportional to 946,141.72, 1,419,839.39 and 519,975.16 is: 780,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,141.72 : 1,419,839.39 = 519,975.16 : x
  2. Step 2: Convert to fraction form
    946,141.72/1,419,839.39 = 519,975.16/x
  3. Step 3: Cross multiply
    946,141.72x = 1,419,839.39 × 519,975.16
  4. Step 4: Simplify right side
    946,141.72x = 738,281,213,989.55
  5. Step 5: Solve for x
    x = 738,281,213,989.55/946,141.72
  6. Step 6: Final answer
    x = 780,307.22

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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.