Home / 434,834.20-652,251.30-419,087.80

Finding the Fourth Proportional to 434,834.20, 652,251.30 and 419,087.80

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Solution

The fourth proportional to 434,834.20, 652,251.30 and 419,087.80 is: 628,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,834.20 : 652,251.30 = 419,087.80 : x
  2. Step 2: Convert to fraction form
    434,834.20/652,251.30 = 419,087.80/x
  3. Step 3: Cross multiply
    434,834.20x = 652,251.30 × 419,087.80
  4. Step 4: Simplify right side
    434,834.20x = 273,350,562,364.14
  5. Step 5: Solve for x
    x = 273,350,562,364.14/434,834.20
  6. Step 6: Final answer
    x = 628,631.70

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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.