Home / 757,936.92-1,136,748.78-284,611.80

Finding the Fourth Proportional to 757,936.92, 1,136,748.78 and 284,611.80

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Solution

The fourth proportional to 757,936.92, 1,136,748.78 and 284,611.80 is: 426,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,936.92 : 1,136,748.78 = 284,611.80 : x
  2. Step 2: Convert to fraction form
    757,936.92/1,136,748.78 = 284,611.80/x
  3. Step 3: Cross multiply
    757,936.92x = 1,136,748.78 × 284,611.80
  4. Step 4: Simplify right side
    757,936.92x = 323,532,116,423.60
  5. Step 5: Solve for x
    x = 323,532,116,423.60/757,936.92
  6. Step 6: Final answer
    x = 426,858.90

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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.