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Finding the Fourth Proportional to 516,854.45, 774,490.28 and 347,748.32

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Solution

The fourth proportional to 516,854.45, 774,490.28 and 347,748.32 is: 521,090.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,854.45 : 774,490.28 = 347,748.32 : x
  2. Step 2: Convert to fraction form
    516,854.45/774,490.28 = 347,748.32/x
  3. Step 3: Cross multiply
    516,854.45x = 774,490.28 × 347,748.32
  4. Step 4: Simplify right side
    516,854.45x = 269,327,688,115.14
  5. Step 5: Solve for x
    x = 269,327,688,115.14/516,854.45
  6. Step 6: Final answer
    x = 521,090.01

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