Home / 959,347.92-1,438,771.20-285,247.72

Finding the Fourth Proportional to 959,347.92, 1,438,771.20 and 285,247.72

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Solution

The fourth proportional to 959,347.92, 1,438,771.20 and 285,247.72 is: 427,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,347.92 : 1,438,771.20 = 285,247.72 : x
  2. Step 2: Convert to fraction form
    959,347.92/1,438,771.20 = 285,247.72/x
  3. Step 3: Cross multiply
    959,347.92x = 1,438,771.20 × 285,247.72
  4. Step 4: Simplify right side
    959,347.92x = 410,406,204,401.66
  5. Step 5: Solve for x
    x = 410,406,204,401.66/959,347.92
  6. Step 6: Final answer
    x = 427,797.04

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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.