Home / 739,067.60-1,108,601.40-240,431.60

Finding the Fourth Proportional to 739,067.60, 1,108,601.40 and 240,431.60

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Solution

The fourth proportional to 739,067.60, 1,108,601.40 and 240,431.60 is: 360,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,067.60 : 1,108,601.40 = 240,431.60 : x
  2. Step 2: Convert to fraction form
    739,067.60/1,108,601.40 = 240,431.60/x
  3. Step 3: Cross multiply
    739,067.60x = 1,108,601.40 × 240,431.60
  4. Step 4: Simplify right side
    739,067.60x = 266,542,808,364.24
  5. Step 5: Solve for x
    x = 266,542,808,364.24/739,067.60
  6. Step 6: Final answer
    x = 360,647.40

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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.