Home / 751,912.56-1,127,935.08-212,173.56

Finding the Fourth Proportional to 751,912.56, 1,127,935.08 and 212,173.56

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Solution

The fourth proportional to 751,912.56, 1,127,935.08 and 212,173.56 is: 318,279.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,912.56 : 1,127,935.08 = 212,173.56 : x
  2. Step 2: Convert to fraction form
    751,912.56/1,127,935.08 = 212,173.56/x
  3. Step 3: Cross multiply
    751,912.56x = 1,127,935.08 × 212,173.56
  4. Step 4: Simplify right side
    751,912.56x = 239,318,001,372.49
  5. Step 5: Solve for x
    x = 239,318,001,372.49/751,912.56
  6. Step 6: Final answer
    x = 318,279.03

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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.