Home / 705,136.68-1,057,836.24-231,840.72

Finding the Fourth Proportional to 705,136.68, 1,057,836.24 and 231,840.72

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Solution

The fourth proportional to 705,136.68, 1,057,836.24 and 231,840.72 is: 347,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,136.68 : 1,057,836.24 = 231,840.72 : x
  2. Step 2: Convert to fraction form
    705,136.68/1,057,836.24 = 231,840.72/x
  3. Step 3: Cross multiply
    705,136.68x = 1,057,836.24 × 231,840.72
  4. Step 4: Simplify right side
    705,136.68x = 245,249,515,523.69
  5. Step 5: Solve for x
    x = 245,249,515,523.69/705,136.68
  6. Step 6: Final answer
    x = 347,804.22

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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.