Home / 939,814.80-1,409,722.20-229,849.80

Finding the Fourth Proportional to 939,814.80, 1,409,722.20 and 229,849.80

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Solution

The fourth proportional to 939,814.80, 1,409,722.20 and 229,849.80 is: 344,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,814.80 : 1,409,722.20 = 229,849.80 : x
  2. Step 2: Convert to fraction form
    939,814.80/1,409,722.20 = 229,849.80/x
  3. Step 3: Cross multiply
    939,814.80x = 1,409,722.20 × 229,849.80
  4. Step 4: Simplify right side
    939,814.80x = 324,024,365,725.56
  5. Step 5: Solve for x
    x = 324,024,365,725.56/939,814.80
  6. Step 6: Final answer
    x = 344,774.70

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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.