Home / 791,462.40-1,187,193.60-200,486.40

Finding the Fourth Proportional to 791,462.40, 1,187,193.60 and 200,486.40

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Solution

The fourth proportional to 791,462.40, 1,187,193.60 and 200,486.40 is: 300,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,462.40 : 1,187,193.60 = 200,486.40 : x
  2. Step 2: Convert to fraction form
    791,462.40/1,187,193.60 = 200,486.40/x
  3. Step 3: Cross multiply
    791,462.40x = 1,187,193.60 × 200,486.40
  4. Step 4: Simplify right side
    791,462.40x = 238,016,170,967.04
  5. Step 5: Solve for x
    x = 238,016,170,967.04/791,462.40
  6. Step 6: Final answer
    x = 300,729.60

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Double scale
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Similar ratio
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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.