Home / 711,049.72-1,066,871.04-311,977.32

Finding the Fourth Proportional to 711,049.72, 1,066,871.04 and 311,977.32

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Solution

The fourth proportional to 711,049.72, 1,066,871.04 and 311,977.32 is: 468,096.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,049.72 : 1,066,871.04 = 311,977.32 : x
  2. Step 2: Convert to fraction form
    711,049.72/1,066,871.04 = 311,977.32/x
  3. Step 3: Cross multiply
    711,049.72x = 1,066,871.04 × 311,977.32
  4. Step 4: Simplify right side
    711,049.72x = 332,839,567,844.81
  5. Step 5: Solve for x
    x = 332,839,567,844.81/711,049.72
  6. Step 6: Final answer
    x = 468,096.05

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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.