Home / 751,879.96-1,127,886.25-212,140.96

Finding the Fourth Proportional to 751,879.96, 1,127,886.25 and 212,140.96

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Solution

The fourth proportional to 751,879.96, 1,127,886.25 and 212,140.96 is: 318,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,879.96 : 1,127,886.25 = 212,140.96 : x
  2. Step 2: Convert to fraction form
    751,879.96/1,127,886.25 = 212,140.96/x
  3. Step 3: Cross multiply
    751,879.96x = 1,127,886.25 × 212,140.96
  4. Step 4: Simplify right side
    751,879.96x = 239,270,871,845.80
  5. Step 5: Solve for x
    x = 239,270,871,845.80/751,879.96
  6. Step 6: Final answer
    x = 318,230.15

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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.