Home / 694,851.44-958,814.40-388,944.96

Finding the Fourth Proportional to 694,851.44, 958,814.40 and 388,944.96

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Solution

The fourth proportional to 694,851.44, 958,814.40 and 388,944.96 is: 536,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,851.44 : 958,814.40 = 388,944.96 : x
  2. Step 2: Convert to fraction form
    694,851.44/958,814.40 = 388,944.96/x
  3. Step 3: Cross multiply
    694,851.44x = 958,814.40 × 388,944.96
  4. Step 4: Simplify right side
    694,851.44x = 372,926,028,455.42
  5. Step 5: Solve for x
    x = 372,926,028,455.42/694,851.44
  6. Step 6: Final answer
    x = 536,698.94

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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.