Home / 694,241.02-958,141.36-388,334.40

Finding the Fourth Proportional to 694,241.02, 958,141.36 and 388,334.40

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Solution

The fourth proportional to 694,241.02, 958,141.36 and 388,334.40 is: 535,951.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,241.02 : 958,141.36 = 388,334.40 : x
  2. Step 2: Convert to fraction form
    694,241.02/958,141.36 = 388,334.40/x
  3. Step 3: Cross multiply
    694,241.02x = 958,141.36 × 388,334.40
  4. Step 4: Simplify right side
    694,241.02x = 372,079,250,150.78
  5. Step 5: Solve for x
    x = 372,079,250,150.78/694,241.02
  6. Step 6: Final answer
    x = 535,951.12

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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.