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Finding the Fourth Proportional to 491,611.02, 737,430.57 and 267,079.02

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Solution

The fourth proportional to 491,611.02, 737,430.57 and 267,079.02 is: 400,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,611.02 : 737,430.57 = 267,079.02 : x
  2. Step 2: Convert to fraction form
    491,611.02/737,430.57 = 267,079.02/x
  3. Step 3: Cross multiply
    491,611.02x = 737,430.57 × 267,079.02
  4. Step 4: Simplify right side
    491,611.02x = 196,952,233,953.64
  5. Step 5: Solve for x
    x = 196,952,233,953.64/491,611.02
  6. Step 6: Final answer
    x = 400,626.16

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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.