Home / 693,722.60-1,039,892.70-319,092.20

Finding the Fourth Proportional to 693,722.60, 1,039,892.70 and 319,092.20

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Solution

The fourth proportional to 693,722.60, 1,039,892.70 and 319,092.20 is: 478,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,722.60 : 1,039,892.70 = 319,092.20 : x
  2. Step 2: Convert to fraction form
    693,722.60/1,039,892.70 = 319,092.20/x
  3. Step 3: Cross multiply
    693,722.60x = 1,039,892.70 × 319,092.20
  4. Step 4: Simplify right side
    693,722.60x = 331,821,649,406.94
  5. Step 5: Solve for x
    x = 331,821,649,406.94/693,722.60
  6. Step 6: Final answer
    x = 478,320.37

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