Home / 694,389.20-1,041,929.40-273,678.80

Finding the Fourth Proportional to 694,389.20, 1,041,929.40 and 273,678.80

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Solution

The fourth proportional to 694,389.20, 1,041,929.40 and 273,678.80 is: 410,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,389.20 : 1,041,929.40 = 273,678.80 : x
  2. Step 2: Convert to fraction form
    694,389.20/1,041,929.40 = 273,678.80/x
  3. Step 3: Cross multiply
    694,389.20x = 1,041,929.40 × 273,678.80
  4. Step 4: Simplify right side
    694,389.20x = 285,153,987,876.72
  5. Step 5: Solve for x
    x = 285,153,987,876.72/694,389.20
  6. Step 6: Final answer
    x = 410,654.41

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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.