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Finding the Fourth Proportional to 364,428.80, 546,643.20 and 322,649.60

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Solution

The fourth proportional to 364,428.80, 546,643.20 and 322,649.60 is: 483,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,428.80 : 546,643.20 = 322,649.60 : x
  2. Step 2: Convert to fraction form
    364,428.80/546,643.20 = 322,649.60/x
  3. Step 3: Cross multiply
    364,428.80x = 546,643.20 × 322,649.60
  4. Step 4: Simplify right side
    364,428.80x = 176,374,209,822.72
  5. Step 5: Solve for x
    x = 176,374,209,822.72/364,428.80
  6. Step 6: Final answer
    x = 483,974.40

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