Home / 490,974.18-677,533.71-284,251.26

Finding the Fourth Proportional to 490,974.18, 677,533.71 and 284,251.26

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Solution

The fourth proportional to 490,974.18, 677,533.71 and 284,251.26 is: 392,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,974.18 : 677,533.71 = 284,251.26 : x
  2. Step 2: Convert to fraction form
    490,974.18/677,533.71 = 284,251.26/x
  3. Step 3: Cross multiply
    490,974.18x = 677,533.71 × 284,251.26
  4. Step 4: Simplify right side
    490,974.18x = 192,589,810,759.98
  5. Step 5: Solve for x
    x = 192,589,810,759.98/490,974.18
  6. Step 6: Final answer
    x = 392,260.57

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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.