Home / 631,744.31-947,563.20-271,900.62

Finding the Fourth Proportional to 631,744.31, 947,563.20 and 271,900.62

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Solution

The fourth proportional to 631,744.31, 947,563.20 and 271,900.62 is: 407,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,744.31 : 947,563.20 = 271,900.62 : x
  2. Step 2: Convert to fraction form
    631,744.31/947,563.20 = 271,900.62/x
  3. Step 3: Cross multiply
    631,744.31x = 947,563.20 × 271,900.62
  4. Step 4: Simplify right side
    631,744.31x = 257,643,021,569.18
  5. Step 5: Solve for x
    x = 257,643,021,569.18/631,744.31
  6. Step 6: Final answer
    x = 407,828.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.