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Finding the Fourth Proportional to 384,916.60, 577,374.90 and 314,932.60

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Solution

The fourth proportional to 384,916.60, 577,374.90 and 314,932.60 is: 472,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,916.60 : 577,374.90 = 314,932.60 : x
  2. Step 2: Convert to fraction form
    384,916.60/577,374.90 = 314,932.60/x
  3. Step 3: Cross multiply
    384,916.60x = 577,374.90 × 314,932.60
  4. Step 4: Simplify right side
    384,916.60x = 181,834,178,431.74
  5. Step 5: Solve for x
    x = 181,834,178,431.74/384,916.60
  6. Step 6: Final answer
    x = 472,398.90

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