Home / 694,877.36-958,921.56-393,071.36

Finding the Fourth Proportional to 694,877.36, 958,921.56 and 393,071.36

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Solution

The fourth proportional to 694,877.36, 958,921.56 and 393,071.36 is: 542,433.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,877.36 : 958,921.56 = 393,071.36 : x
  2. Step 2: Convert to fraction form
    694,877.36/958,921.56 = 393,071.36/x
  3. Step 3: Cross multiply
    694,877.36x = 958,921.56 × 393,071.36
  4. Step 4: Simplify right side
    694,877.36x = 376,924,601,722.52
  5. Step 5: Solve for x
    x = 376,924,601,722.52/694,877.36
  6. Step 6: Final answer
    x = 542,433.27

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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.