Home / 751,882.96-1,127,890.75-212,143.96

Finding the Fourth Proportional to 751,882.96, 1,127,890.75 and 212,143.96

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Solution

The fourth proportional to 751,882.96, 1,127,890.75 and 212,143.96 is: 318,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,882.96 : 1,127,890.75 = 212,143.96 : x
  2. Step 2: Convert to fraction form
    751,882.96/1,127,890.75 = 212,143.96/x
  3. Step 3: Cross multiply
    751,882.96x = 1,127,890.75 × 212,143.96
  4. Step 4: Simplify right side
    751,882.96x = 239,275,210,152.37
  5. Step 5: Solve for x
    x = 239,275,210,152.37/751,882.96
  6. Step 6: Final answer
    x = 318,234.65

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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.