Home / 726,392.06-1,002,406.02-404,095.22

Finding the Fourth Proportional to 726,392.06, 1,002,406.02 and 404,095.22

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Solution

The fourth proportional to 726,392.06, 1,002,406.02 and 404,095.22 is: 557,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,392.06 : 1,002,406.02 = 404,095.22 : x
  2. Step 2: Convert to fraction form
    726,392.06/1,002,406.02 = 404,095.22/x
  3. Step 3: Cross multiply
    726,392.06x = 1,002,406.02 × 404,095.22
  4. Step 4: Simplify right side
    726,392.06x = 405,067,481,181.22
  5. Step 5: Solve for x
    x = 405,067,481,181.22/726,392.06
  6. Step 6: Final answer
    x = 557,643.05

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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.