Home / 831,758.94-1,147,827.42-449,785.80

Finding the Fourth Proportional to 831,758.94, 1,147,827.42 and 449,785.80

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Solution

The fourth proportional to 831,758.94, 1,147,827.42 and 449,785.80 is: 620,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,758.94 : 1,147,827.42 = 449,785.80 : x
  2. Step 2: Convert to fraction form
    831,758.94/1,147,827.42 = 449,785.80/x
  3. Step 3: Cross multiply
    831,758.94x = 1,147,827.42 × 449,785.80
  4. Step 4: Simplify right side
    831,758.94x = 516,276,474,366.64
  5. Step 5: Solve for x
    x = 516,276,474,366.64/831,758.94
  6. Step 6: Final answer
    x = 620,704.45

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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.