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Finding the Fourth Proportional to 580,838.75, 801,333.44 and 428,239.71

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Solution

The fourth proportional to 580,838.75, 801,333.44 and 428,239.71 is: 590,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,838.75 : 801,333.44 = 428,239.71 : x
  2. Step 2: Convert to fraction form
    580,838.75/801,333.44 = 428,239.71/x
  3. Step 3: Cross multiply
    580,838.75x = 801,333.44 × 428,239.71
  4. Step 4: Simplify right side
    580,838.75x = 343,162,799,423.60
  5. Step 5: Solve for x
    x = 343,162,799,423.60/580,838.75
  6. Step 6: Final answer
    x = 590,805.62

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