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Finding the Fourth Proportional to 502,783.28, 693,823.20 and 276,427.04

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Solution

The fourth proportional to 502,783.28, 693,823.20 and 276,427.04 is: 381,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,783.28 : 693,823.20 = 276,427.04 : x
  2. Step 2: Convert to fraction form
    502,783.28/693,823.20 = 276,427.04/x
  3. Step 3: Cross multiply
    502,783.28x = 693,823.20 × 276,427.04
  4. Step 4: Simplify right side
    502,783.28x = 191,791,493,459.33
  5. Step 5: Solve for x
    x = 191,791,493,459.33/502,783.28
  6. Step 6: Final answer
    x = 381,459.57

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