Home / 726,891.36-1,003,143.05-404,622.06

Finding the Fourth Proportional to 726,891.36, 1,003,143.05 and 404,622.06

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Solution

The fourth proportional to 726,891.36, 1,003,143.05 and 404,622.06 is: 558,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,891.36 : 1,003,143.05 = 404,622.06 : x
  2. Step 2: Convert to fraction form
    726,891.36/1,003,143.05 = 404,622.06/x
  3. Step 3: Cross multiply
    726,891.36x = 1,003,143.05 × 404,622.06
  4. Step 4: Simplify right side
    726,891.36x = 405,893,807,365.68
  5. Step 5: Solve for x
    x = 405,893,807,365.68/726,891.36
  6. Step 6: Final answer
    x = 558,396.80

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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.