Home / 548,823.75-757,357.74-303,819.15

Finding the Fourth Proportional to 548,823.75, 757,357.74 and 303,819.15

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Solution

The fourth proportional to 548,823.75, 757,357.74 and 303,819.15 is: 419,259.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,823.75 : 757,357.74 = 303,819.15 : x
  2. Step 2: Convert to fraction form
    548,823.75/757,357.74 = 303,819.15/x
  3. Step 3: Cross multiply
    548,823.75x = 757,357.74 × 303,819.15
  4. Step 4: Simplify right side
    548,823.75x = 230,099,784,812.72
  5. Step 5: Solve for x
    x = 230,099,784,812.72/548,823.75
  6. Step 6: Final answer
    x = 419,259.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.