Home / 631,485.44-946,589.90-271,890.84

Finding the Fourth Proportional to 631,485.44, 946,589.90 and 271,890.84

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Solution

The fourth proportional to 631,485.44, 946,589.90 and 271,890.84 is: 407,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,485.44 : 946,589.90 = 271,890.84 : x
  2. Step 2: Convert to fraction form
    631,485.44/946,589.90 = 271,890.84/x
  3. Step 3: Cross multiply
    631,485.44x = 946,589.90 × 271,890.84
  4. Step 4: Simplify right side
    631,485.44x = 257,369,121,687.06
  5. Step 5: Solve for x
    x = 257,369,121,687.06/631,485.44
  6. Step 6: Final answer
    x = 407,561.45

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Double scale
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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.