Home / 946,154.93-1,419,449.72-272,241.81

Finding the Fourth Proportional to 946,154.93, 1,419,449.72 and 272,241.81

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Solution

The fourth proportional to 946,154.93, 1,419,449.72 and 272,241.81 is: 408,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,154.93 : 1,419,449.72 = 272,241.81 : x
  2. Step 2: Convert to fraction form
    946,154.93/1,419,449.72 = 272,241.81/x
  3. Step 3: Cross multiply
    946,154.93x = 1,419,449.72 × 272,241.81
  4. Step 4: Simplify right side
    946,154.93x = 386,433,561,146.94
  5. Step 5: Solve for x
    x = 386,433,561,146.94/946,154.93
  6. Step 6: Final answer
    x = 408,425.25

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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.