Home / 726,733.70-1,002,884.70-404,438.36

Finding the Fourth Proportional to 726,733.70, 1,002,884.70 and 404,438.36

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Solution

The fourth proportional to 726,733.70, 1,002,884.70 and 404,438.36 is: 558,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,733.70 : 1,002,884.70 = 404,438.36 : x
  2. Step 2: Convert to fraction form
    726,733.70/1,002,884.70 = 404,438.36/x
  3. Step 3: Cross multiply
    726,733.70x = 1,002,884.70 × 404,438.36
  4. Step 4: Simplify right side
    726,733.70x = 405,605,043,337.09
  5. Step 5: Solve for x
    x = 405,605,043,337.09/726,733.70
  6. Step 6: Final answer
    x = 558,120.59

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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.