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Finding the Fourth Proportional to 582,148.11, 803,098.89 and 420,747.51

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Solution

The fourth proportional to 582,148.11, 803,098.89 and 420,747.51 is: 580,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,148.11 : 803,098.89 = 420,747.51 : x
  2. Step 2: Convert to fraction form
    582,148.11/803,098.89 = 420,747.51/x
  3. Step 3: Cross multiply
    582,148.11x = 803,098.89 × 420,747.51
  4. Step 4: Simplify right side
    582,148.11x = 337,901,858,251.26
  5. Step 5: Solve for x
    x = 337,901,858,251.26/582,148.11
  6. Step 6: Final answer
    x = 580,439.67

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