Home / 739,136.40-1,108,704.60-668,277.60

Finding the Fourth Proportional to 739,136.40, 1,108,704.60 and 668,277.60

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Solution

The fourth proportional to 739,136.40, 1,108,704.60 and 668,277.60 is: 1,002,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,136.40 : 1,108,704.60 = 668,277.60 : x
  2. Step 2: Convert to fraction form
    739,136.40/1,108,704.60 = 668,277.60/x
  3. Step 3: Cross multiply
    739,136.40x = 1,108,704.60 × 668,277.60
  4. Step 4: Simplify right side
    739,136.40x = 740,922,449,196.96
  5. Step 5: Solve for x
    x = 740,922,449,196.96/739,136.40
  6. Step 6: Final answer
    x = 1,002,416.40

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Half scale
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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.