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Finding the Fourth Proportional to 457,645.55, 631,539.99 and 253,692.81

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Solution

The fourth proportional to 457,645.55, 631,539.99 and 253,692.81 is: 350,090.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,645.55 : 631,539.99 = 253,692.81 : x
  2. Step 2: Convert to fraction form
    457,645.55/631,539.99 = 253,692.81/x
  3. Step 3: Cross multiply
    457,645.55x = 631,539.99 × 253,692.81
  4. Step 4: Simplify right side
    457,645.55x = 160,217,154,690.47
  5. Step 5: Solve for x
    x = 160,217,154,690.47/457,645.55
  6. Step 6: Final answer
    x = 350,090.06

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