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Finding the Fourth Proportional to 369,117.20, 553,675.80 and 322,461.20

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Solution

The fourth proportional to 369,117.20, 553,675.80 and 322,461.20 is: 483,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,117.20 : 553,675.80 = 322,461.20 : x
  2. Step 2: Convert to fraction form
    369,117.20/553,675.80 = 322,461.20/x
  3. Step 3: Cross multiply
    369,117.20x = 553,675.80 × 322,461.20
  4. Step 4: Simplify right side
    369,117.20x = 178,538,962,878.96
  5. Step 5: Solve for x
    x = 178,538,962,878.96/369,117.20
  6. Step 6: Final answer
    x = 483,691.80

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