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Finding the Fourth Proportional to 457,412.54, 631,219.82 and 253,461.65

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Solution

The fourth proportional to 457,412.54, 631,219.82 and 253,461.65 is: 349,771.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,412.54 : 631,219.82 = 253,461.65 : x
  2. Step 2: Convert to fraction form
    457,412.54/631,219.82 = 253,461.65/x
  3. Step 3: Cross multiply
    457,412.54x = 631,219.82 × 253,461.65
  4. Step 4: Simplify right side
    457,412.54x = 159,990,012,666.50
  5. Step 5: Solve for x
    x = 159,990,012,666.50/457,412.54
  6. Step 6: Final answer
    x = 349,771.82

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