Home / 925,696.81-1,388,045.89-419,981.82

Finding the Fourth Proportional to 925,696.81, 1,388,045.89 and 419,981.82

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Solution

The fourth proportional to 925,696.81, 1,388,045.89 and 419,981.82 is: 629,746.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,696.81 : 1,388,045.89 = 419,981.82 : x
  2. Step 2: Convert to fraction form
    925,696.81/1,388,045.89 = 419,981.82/x
  3. Step 3: Cross multiply
    925,696.81x = 1,388,045.89 × 419,981.82
  4. Step 4: Simplify right side
    925,696.81x = 582,954,039,125.72
  5. Step 5: Solve for x
    x = 582,954,039,125.72/925,696.81
  6. Step 6: Final answer
    x = 629,746.19

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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.