Home / 631,512.47-947,943.05-271,861.34

Finding the Fourth Proportional to 631,512.47, 947,943.05 and 271,861.34

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Solution

The fourth proportional to 631,512.47, 947,943.05 and 271,861.34 is: 408,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,512.47 : 947,943.05 = 271,861.34 : x
  2. Step 2: Convert to fraction form
    631,512.47/947,943.05 = 271,861.34/x
  3. Step 3: Cross multiply
    631,512.47x = 947,943.05 × 271,861.34
  4. Step 4: Simplify right side
    631,512.47x = 257,709,061,717.67
  5. Step 5: Solve for x
    x = 257,709,061,717.67/631,512.47
  6. Step 6: Final answer
    x = 408,082.30

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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.