Home / 939,719.53-1,409,579.30-229,739.14

Finding the Fourth Proportional to 939,719.53, 1,409,579.30 and 229,739.14

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Solution

The fourth proportional to 939,719.53, 1,409,579.30 and 229,739.14 is: 344,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,719.53 : 1,409,579.30 = 229,739.14 : x
  2. Step 2: Convert to fraction form
    939,719.53/1,409,579.30 = 229,739.14/x
  3. Step 3: Cross multiply
    939,719.53x = 1,409,579.30 × 229,739.14
  4. Step 4: Simplify right side
    939,719.53x = 323,835,536,143.80
  5. Step 5: Solve for x
    x = 323,835,536,143.80/939,719.53
  6. Step 6: Final answer
    x = 344,608.71

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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.