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Finding the Fourth Proportional to 553,335.80, 830,003.70 and 474,603.80

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Solution

The fourth proportional to 553,335.80, 830,003.70 and 474,603.80 is: 711,905.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,335.80 : 830,003.70 = 474,603.80 : x
  2. Step 2: Convert to fraction form
    553,335.80/830,003.70 = 474,603.80/x
  3. Step 3: Cross multiply
    553,335.80x = 830,003.70 × 474,603.80
  4. Step 4: Simplify right side
    553,335.80x = 393,922,910,034.06
  5. Step 5: Solve for x
    x = 393,922,910,034.06/553,335.80
  6. Step 6: Final answer
    x = 711,905.70

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