Home / 925,686.03-1,388,029.79-419,971.07

Finding the Fourth Proportional to 925,686.03, 1,388,029.79 and 419,971.07

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Solution

The fourth proportional to 925,686.03, 1,388,029.79 and 419,971.07 is: 629,730.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,686.03 : 1,388,029.79 = 419,971.07 : x
  2. Step 2: Convert to fraction form
    925,686.03/1,388,029.79 = 419,971.07/x
  3. Step 3: Cross multiply
    925,686.03x = 1,388,029.79 × 419,971.07
  4. Step 4: Simplify right side
    925,686.03x = 582,932,347,058.17
  5. Step 5: Solve for x
    x = 582,932,347,058.17/925,686.03
  6. Step 6: Final answer
    x = 629,730.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.