Home / 726,393.06-1,002,407.40-404,096.22

Finding the Fourth Proportional to 726,393.06, 1,002,407.40 and 404,096.22

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Solution

The fourth proportional to 726,393.06, 1,002,407.40 and 404,096.22 is: 557,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,393.06 : 1,002,407.40 = 404,096.22 : x
  2. Step 2: Convert to fraction form
    726,393.06/1,002,407.40 = 404,096.22/x
  3. Step 3: Cross multiply
    726,393.06x = 1,002,407.40 × 404,096.22
  4. Step 4: Simplify right side
    726,393.06x = 405,069,041,240.03
  5. Step 5: Solve for x
    x = 405,069,041,240.03/726,393.06
  6. Step 6: Final answer
    x = 557,644.43

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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.