Home / 711,179.30-1,066,922.55-212,593.70

Finding the Fourth Proportional to 711,179.30, 1,066,922.55 and 212,593.70

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Solution

The fourth proportional to 711,179.30, 1,066,922.55 and 212,593.70 is: 318,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,179.30 : 1,066,922.55 = 212,593.70 : x
  2. Step 2: Convert to fraction form
    711,179.30/1,066,922.55 = 212,593.70/x
  3. Step 3: Cross multiply
    711,179.30x = 1,066,922.55 × 212,593.70
  4. Step 4: Simplify right side
    711,179.30x = 226,821,012,517.94
  5. Step 5: Solve for x
    x = 226,821,012,517.94/711,179.30
  6. Step 6: Final answer
    x = 318,936.47

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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.