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Finding the Fourth Proportional to 812,699.67, 1,219,671.59 and 363,246.87

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Solution

The fourth proportional to 812,699.67, 1,219,671.59 and 363,246.87 is: 545,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,699.67 : 1,219,671.59 = 363,246.87 : x
  2. Step 2: Convert to fraction form
    812,699.67/1,219,671.59 = 363,246.87/x
  3. Step 3: Cross multiply
    812,699.67x = 1,219,671.59 × 363,246.87
  4. Step 4: Simplify right side
    812,699.67x = 443,041,885,679.19
  5. Step 5: Solve for x
    x = 443,041,885,679.19/812,699.67
  6. Step 6: Final answer
    x = 545,148.35

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