Home / 711,150.30-1,066,879.05-212,564.70

Finding the Fourth Proportional to 711,150.30, 1,066,879.05 and 212,564.70

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Solution

The fourth proportional to 711,150.30, 1,066,879.05 and 212,564.70 is: 318,892.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,150.30 : 1,066,879.05 = 212,564.70 : x
  2. Step 2: Convert to fraction form
    711,150.30/1,066,879.05 = 212,564.70/x
  3. Step 3: Cross multiply
    711,150.30x = 1,066,879.05 × 212,564.70
  4. Step 4: Simplify right side
    711,150.30x = 226,780,825,199.54
  5. Step 5: Solve for x
    x = 226,780,825,199.54/711,150.30
  6. Step 6: Final answer
    x = 318,892.96

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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.