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Finding the Fourth Proportional to 867,000.40, 1,300,597.80 and 267,956.80

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Solution

The fourth proportional to 867,000.40, 1,300,597.80 and 267,956.80 is: 401,965.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,000.40 : 1,300,597.80 = 267,956.80 : x
  2. Step 2: Convert to fraction form
    867,000.40/1,300,597.80 = 267,956.80/x
  3. Step 3: Cross multiply
    867,000.40x = 1,300,597.80 × 267,956.80
  4. Step 4: Simplify right side
    867,000.40x = 348,504,024,575.04
  5. Step 5: Solve for x
    x = 348,504,024,575.04/867,000.40
  6. Step 6: Final answer
    x = 401,965.24

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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.