Home / 412,317.48-618,614.61-222,794.79

Finding the Fourth Proportional to 412,317.48, 618,614.61 and 222,794.79

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Solution

The fourth proportional to 412,317.48, 618,614.61 and 222,794.79 is: 334,266.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,317.48 : 618,614.61 = 222,794.79 : x
  2. Step 2: Convert to fraction form
    412,317.48/618,614.61 = 222,794.79/x
  3. Step 3: Cross multiply
    412,317.48x = 618,614.61 × 222,794.79
  4. Step 4: Simplify right side
    412,317.48x = 137,824,112,125.88
  5. Step 5: Solve for x
    x = 137,824,112,125.88/412,317.48
  6. Step 6: Final answer
    x = 334,266.96

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1.5x scale

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.