Home / 846,409.91-1,268,946.81-419,651.48

Finding the Fourth Proportional to 846,409.91, 1,268,946.81 and 419,651.48

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Solution

The fourth proportional to 846,409.91, 1,268,946.81 and 419,651.48 is: 629,146.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,409.91 : 1,268,946.81 = 419,651.48 : x
  2. Step 2: Convert to fraction form
    846,409.91/1,268,946.81 = 419,651.48/x
  3. Step 3: Cross multiply
    846,409.91x = 1,268,946.81 × 419,651.48
  4. Step 4: Simplify right side
    846,409.91x = 532,515,410,030.15
  5. Step 5: Solve for x
    x = 532,515,410,030.15/846,409.91
  6. Step 6: Final answer
    x = 629,146.00

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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.