Home / 424,212.20-636,318.30-404,529.20

Finding the Fourth Proportional to 424,212.20, 636,318.30 and 404,529.20

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Solution

The fourth proportional to 424,212.20, 636,318.30 and 404,529.20 is: 606,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,212.20 : 636,318.30 = 404,529.20 : x
  2. Step 2: Convert to fraction form
    424,212.20/636,318.30 = 404,529.20/x
  3. Step 3: Cross multiply
    424,212.20x = 636,318.30 × 404,529.20
  4. Step 4: Simplify right side
    424,212.20x = 257,409,332,844.36
  5. Step 5: Solve for x
    x = 257,409,332,844.36/424,212.20
  6. Step 6: Final answer
    x = 606,793.80

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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.