Home / 757,722.12-1,136,771.10-225,242.16

Finding the Fourth Proportional to 757,722.12, 1,136,771.10 and 225,242.16

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Solution

The fourth proportional to 757,722.12, 1,136,771.10 and 225,242.16 is: 337,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,722.12 : 1,136,771.10 = 225,242.16 : x
  2. Step 2: Convert to fraction form
    757,722.12/1,136,771.10 = 225,242.16/x
  3. Step 3: Cross multiply
    757,722.12x = 1,136,771.10 × 225,242.16
  4. Step 4: Simplify right side
    757,722.12x = 256,048,777,989.58
  5. Step 5: Solve for x
    x = 256,048,777,989.58/757,722.12
  6. Step 6: Final answer
    x = 337,919.10

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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.