Home / 694,359.95-958,252.83-388,441.42

Finding the Fourth Proportional to 694,359.95, 958,252.83 and 388,441.42

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Solution

The fourth proportional to 694,359.95, 958,252.83 and 388,441.42 is: 536,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,359.95 : 958,252.83 = 388,441.42 : x
  2. Step 2: Convert to fraction form
    694,359.95/958,252.83 = 388,441.42/x
  3. Step 3: Cross multiply
    694,359.95x = 958,252.83 × 388,441.42
  4. Step 4: Simplify right side
    694,359.95x = 372,225,093,727.09
  5. Step 5: Solve for x
    x = 372,225,093,727.09/694,359.95
  6. Step 6: Final answer
    x = 536,069.36

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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.