Home / 846,621.38-1,269,265.02-419,872.07

Finding the Fourth Proportional to 846,621.38, 1,269,265.02 and 419,872.07

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Solution

The fourth proportional to 846,621.38, 1,269,265.02 and 419,872.07 is: 629,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,621.38 : 1,269,265.02 = 419,872.07 : x
  2. Step 2: Convert to fraction form
    846,621.38/1,269,265.02 = 419,872.07/x
  3. Step 3: Cross multiply
    846,621.38x = 1,269,265.02 × 419,872.07
  4. Step 4: Simplify right side
    846,621.38x = 532,928,935,286.41
  5. Step 5: Solve for x
    x = 532,928,935,286.41/846,621.38
  6. Step 6: Final answer
    x = 629,477.29

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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.