Home / 547,519.64-821,136.90-231,814.04

Finding the Fourth Proportional to 547,519.64, 821,136.90 and 231,814.04

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Solution

The fourth proportional to 547,519.64, 821,136.90 and 231,814.04 is: 347,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,519.64 : 821,136.90 = 231,814.04 : x
  2. Step 2: Convert to fraction form
    547,519.64/821,136.90 = 231,814.04/x
  3. Step 3: Cross multiply
    547,519.64x = 821,136.90 × 231,814.04
  4. Step 4: Simplify right side
    547,519.64x = 190,351,062,182.08
  5. Step 5: Solve for x
    x = 190,351,062,182.08/547,519.64
  6. Step 6: Final answer
    x = 347,660.70

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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.