Home / 751,979.68-1,037,912.88-510,664.48

Finding the Fourth Proportional to 751,979.68, 1,037,912.88 and 510,664.48

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Solution

The fourth proportional to 751,979.68, 1,037,912.88 and 510,664.48 is: 704,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,979.68 : 1,037,912.88 = 510,664.48 : x
  2. Step 2: Convert to fraction form
    751,979.68/1,037,912.88 = 510,664.48/x
  3. Step 3: Cross multiply
    751,979.68x = 1,037,912.88 × 510,664.48
  4. Step 4: Simplify right side
    751,979.68x = 530,025,241,150.50
  5. Step 5: Solve for x
    x = 530,025,241,150.50/751,979.68
  6. Step 6: Final answer
    x = 704,839.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.