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Finding the Fourth Proportional to 631,522.54, 946,645.40 and 271,927.90

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Solution

The fourth proportional to 631,522.54, 946,645.40 and 271,927.90 is: 407,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,522.54 : 946,645.40 = 271,927.90 : x
  2. Step 2: Convert to fraction form
    631,522.54/946,645.40 = 271,927.90/x
  3. Step 3: Cross multiply
    631,522.54x = 946,645.40 × 271,927.90
  4. Step 4: Simplify right side
    631,522.54x = 257,419,295,666.66
  5. Step 5: Solve for x
    x = 257,419,295,666.66/631,522.54
  6. Step 6: Final answer
    x = 407,616.96

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1.5x scale

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.