Home / 751,896.62-1,127,911.23-212,157.68

Finding the Fourth Proportional to 751,896.62, 1,127,911.23 and 212,157.68

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Solution

The fourth proportional to 751,896.62, 1,127,911.23 and 212,157.68 is: 318,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,896.62 : 1,127,911.23 = 212,157.68 : x
  2. Step 2: Convert to fraction form
    751,896.62/1,127,911.23 = 212,157.68/x
  3. Step 3: Cross multiply
    751,896.62x = 1,127,911.23 × 212,157.68
  4. Step 4: Simplify right side
    751,896.62x = 239,295,029,802.75
  5. Step 5: Solve for x
    x = 239,295,029,802.75/751,896.62
  6. Step 6: Final answer
    x = 318,255.23

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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.