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Finding the Fourth Proportional to 866,577.72, 1,299,901.14 and 267,485.88

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Solution

The fourth proportional to 866,577.72, 1,299,901.14 and 267,485.88 is: 401,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,577.72 : 1,299,901.14 = 267,485.88 : x
  2. Step 2: Convert to fraction form
    866,577.72/1,299,901.14 = 267,485.88/x
  3. Step 3: Cross multiply
    866,577.72x = 1,299,901.14 × 267,485.88
  4. Step 4: Simplify right side
    866,577.72x = 347,705,200,345.90
  5. Step 5: Solve for x
    x = 347,705,200,345.90/866,577.72
  6. Step 6: Final answer
    x = 401,239.49

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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.