Home / 756,136.60-1,134,204.90-282,796.90

Finding the Fourth Proportional to 756,136.60, 1,134,204.90 and 282,796.90

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Solution

The fourth proportional to 756,136.60, 1,134,204.90 and 282,796.90 is: 424,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,136.60 : 1,134,204.90 = 282,796.90 : x
  2. Step 2: Convert to fraction form
    756,136.60/1,134,204.90 = 282,796.90/x
  3. Step 3: Cross multiply
    756,136.60x = 1,134,204.90 × 282,796.90
  4. Step 4: Simplify right side
    756,136.60x = 320,749,629,684.81
  5. Step 5: Solve for x
    x = 320,749,629,684.81/756,136.60
  6. Step 6: Final answer
    x = 424,195.35

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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.