Home / 769,571.70-1,153,350.90-413,819.70

Finding the Fourth Proportional to 769,571.70, 1,153,350.90 and 413,819.70

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Solution

The fourth proportional to 769,571.70, 1,153,350.90 and 413,819.70 is: 620,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,571.70 : 1,153,350.90 = 413,819.70 : x
  2. Step 2: Convert to fraction form
    769,571.70/1,153,350.90 = 413,819.70/x
  3. Step 3: Cross multiply
    769,571.70x = 1,153,350.90 × 413,819.70
  4. Step 4: Simplify right side
    769,571.70x = 477,279,323,432.73
  5. Step 5: Solve for x
    x = 477,279,323,432.73/769,571.70
  6. Step 6: Final answer
    x = 620,188.25

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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.