Home / 701,043.20-1,050,182.40-419,724.80

Finding the Fourth Proportional to 701,043.20, 1,050,182.40 and 419,724.80

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Solution

The fourth proportional to 701,043.20, 1,050,182.40 and 419,724.80 is: 628,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,043.20 : 1,050,182.40 = 419,724.80 : x
  2. Step 2: Convert to fraction form
    701,043.20/1,050,182.40 = 419,724.80/x
  3. Step 3: Cross multiply
    701,043.20x = 1,050,182.40 × 419,724.80
  4. Step 4: Simplify right side
    701,043.20x = 440,787,597,803.52
  5. Step 5: Solve for x
    x = 440,787,597,803.52/701,043.20
  6. Step 6: Final answer
    x = 628,759.54

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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.