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Finding the Fourth Proportional to 556,944.96, 768,619.44 and 315,135.84

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Solution

The fourth proportional to 556,944.96, 768,619.44 and 315,135.84 is: 434,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,944.96 : 768,619.44 = 315,135.84 : x
  2. Step 2: Convert to fraction form
    556,944.96/768,619.44 = 315,135.84/x
  3. Step 3: Cross multiply
    556,944.96x = 768,619.44 × 315,135.84
  4. Step 4: Simplify right side
    556,944.96x = 242,219,532,864.73
  5. Step 5: Solve for x
    x = 242,219,532,864.73/556,944.96
  6. Step 6: Final answer
    x = 434,907.49

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