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Finding the Fourth Proportional to 553,363.20, 830,044.80 and 504,374.40

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Solution

The fourth proportional to 553,363.20, 830,044.80 and 504,374.40 is: 756,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,363.20 : 830,044.80 = 504,374.40 : x
  2. Step 2: Convert to fraction form
    553,363.20/830,044.80 = 504,374.40/x
  3. Step 3: Cross multiply
    553,363.20x = 830,044.80 × 504,374.40
  4. Step 4: Simplify right side
    553,363.20x = 418,653,347,973.12
  5. Step 5: Solve for x
    x = 418,653,347,973.12/553,363.20
  6. Step 6: Final answer
    x = 756,561.60

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