Home / 694,753.48-958,455.40-408,144.28

Finding the Fourth Proportional to 694,753.48, 958,455.40 and 408,144.28

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Solution

The fourth proportional to 694,753.48, 958,455.40 and 408,144.28 is: 563,060.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,753.48 : 958,455.40 = 408,144.28 : x
  2. Step 2: Convert to fraction form
    694,753.48/958,455.40 = 408,144.28/x
  3. Step 3: Cross multiply
    694,753.48x = 958,455.40 × 408,144.28
  4. Step 4: Simplify right side
    694,753.48x = 391,188,089,145.11
  5. Step 5: Solve for x
    x = 391,188,089,145.11/694,753.48
  6. Step 6: Final answer
    x = 563,060.28

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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.