Home / 946,387.50-1,419,369.03-272,318.64

Finding the Fourth Proportional to 946,387.50, 1,419,369.03 and 272,318.64

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Solution

The fourth proportional to 946,387.50, 1,419,369.03 and 272,318.64 is: 408,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,387.50 : 1,419,369.03 = 272,318.64 : x
  2. Step 2: Convert to fraction form
    946,387.50/1,419,369.03 = 272,318.64/x
  3. Step 3: Cross multiply
    946,387.50x = 1,419,369.03 × 272,318.64
  4. Step 4: Simplify right side
    946,387.50x = 386,520,643,907.72
  5. Step 5: Solve for x
    x = 386,520,643,907.72/946,387.50
  6. Step 6: Final answer
    x = 408,416.89

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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.