Home / 694,344.95-958,157.49-388,362.22

Finding the Fourth Proportional to 694,344.95, 958,157.49 and 388,362.22

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Solution

The fourth proportional to 694,344.95, 958,157.49 and 388,362.22 is: 535,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,344.95 : 958,157.49 = 388,362.22 : x
  2. Step 2: Convert to fraction form
    694,344.95/958,157.49 = 388,362.22/x
  3. Step 3: Cross multiply
    694,344.95x = 958,157.49 × 388,362.22
  4. Step 4: Simplify right side
    694,344.95x = 372,112,174,167.33
  5. Step 5: Solve for x
    x = 372,112,174,167.33/694,344.95
  6. Step 6: Final answer
    x = 535,918.31

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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.