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Finding the Fourth Proportional to 631,523.54, 946,646.90 and 271,928.90

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Solution

The fourth proportional to 631,523.54, 946,646.90 and 271,928.90 is: 407,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,523.54 : 946,646.90 = 271,928.90 : x
  2. Step 2: Convert to fraction form
    631,523.54/946,646.90 = 271,928.90/x
  3. Step 3: Cross multiply
    631,523.54x = 946,646.90 × 271,928.90
  4. Step 4: Simplify right side
    631,523.54x = 257,420,650,205.41
  5. Step 5: Solve for x
    x = 257,420,650,205.41/631,523.54
  6. Step 6: Final answer
    x = 407,618.46

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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.