Home / 751,898.53-1,127,914.07-212,159.59

Finding the Fourth Proportional to 751,898.53, 1,127,914.07 and 212,159.59

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Solution

The fourth proportional to 751,898.53, 1,127,914.07 and 212,159.59 is: 318,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,898.53 : 1,127,914.07 = 212,159.59 : x
  2. Step 2: Convert to fraction form
    751,898.53/1,127,914.07 = 212,159.59/x
  3. Step 3: Cross multiply
    751,898.53x = 1,127,914.07 × 212,159.59
  4. Step 4: Simplify right side
    751,898.53x = 239,297,782,765.85
  5. Step 5: Solve for x
    x = 239,297,782,765.85/751,898.53
  6. Step 6: Final answer
    x = 318,258.08

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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.