Home / 456,467.20-684,117.60-331,662.40

Finding the Fourth Proportional to 456,467.20, 684,117.60 and 331,662.40

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Solution

The fourth proportional to 456,467.20, 684,117.60 and 331,662.40 is: 497,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,467.20 : 684,117.60 = 331,662.40 : x
  2. Step 2: Convert to fraction form
    456,467.20/684,117.60 = 331,662.40/x
  3. Step 3: Cross multiply
    456,467.20x = 684,117.60 × 331,662.40
  4. Step 4: Simplify right side
    456,467.20x = 226,896,085,098.24
  5. Step 5: Solve for x
    x = 226,896,085,098.24/456,467.20
  6. Step 6: Final answer
    x = 497,069.86

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