Home / 726,785.22-1,002,996.63-404,515.95

Finding the Fourth Proportional to 726,785.22, 1,002,996.63 and 404,515.95

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Solution

The fourth proportional to 726,785.22, 1,002,996.63 and 404,515.95 is: 558,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,785.22 : 1,002,996.63 = 404,515.95 : x
  2. Step 2: Convert to fraction form
    726,785.22/1,002,996.63 = 404,515.95/x
  3. Step 3: Cross multiply
    726,785.22x = 1,002,996.63 × 404,515.95
  4. Step 4: Simplify right side
    726,785.22x = 405,728,134,631.25
  5. Step 5: Solve for x
    x = 405,728,134,631.25/726,785.22
  6. Step 6: Final answer
    x = 558,250.39

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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.