Home / 959,392.89-1,438,958.03-285,578.19

Finding the Fourth Proportional to 959,392.89, 1,438,958.03 and 285,578.19

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Solution

The fourth proportional to 959,392.89, 1,438,958.03 and 285,578.19 is: 428,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,392.89 : 1,438,958.03 = 285,578.19 : x
  2. Step 2: Convert to fraction form
    959,392.89/1,438,958.03 = 285,578.19/x
  3. Step 3: Cross multiply
    959,392.89x = 1,438,958.03 × 285,578.19
  4. Step 4: Simplify right side
    959,392.89x = 410,935,028,265.48
  5. Step 5: Solve for x
    x = 410,935,028,265.48/959,392.89
  6. Step 6: Final answer
    x = 428,328.20

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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.