Home / 901,392.80-1,243,922.24-493,520.52

Finding the Fourth Proportional to 901,392.80, 1,243,922.24 and 493,520.52

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Solution

The fourth proportional to 901,392.80, 1,243,922.24 and 493,520.52 is: 681,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,392.80 : 1,243,922.24 = 493,520.52 : x
  2. Step 2: Convert to fraction form
    901,392.80/1,243,922.24 = 493,520.52/x
  3. Step 3: Cross multiply
    901,392.80x = 1,243,922.24 × 493,520.52
  4. Step 4: Simplify right side
    901,392.80x = 613,901,150,724.37
  5. Step 5: Solve for x
    x = 613,901,150,724.37/901,392.80
  6. Step 6: Final answer
    x = 681,058.41

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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.