Home / 846,121.24-1,269,269.40-285,199.48

Finding the Fourth Proportional to 846,121.24, 1,269,269.40 and 285,199.48

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Solution

The fourth proportional to 846,121.24, 1,269,269.40 and 285,199.48 is: 427,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,121.24 : 1,269,269.40 = 285,199.48 : x
  2. Step 2: Convert to fraction form
    846,121.24/1,269,269.40 = 285,199.48/x
  3. Step 3: Cross multiply
    846,121.24x = 1,269,269.40 × 285,199.48
  4. Step 4: Simplify right side
    846,121.24x = 361,994,972,859.91
  5. Step 5: Solve for x
    x = 361,994,972,859.91/846,121.24
  6. Step 6: Final answer
    x = 427,828.73

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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.