Home / 711,181.56-1,066,937.58-205,722.12

Finding the Fourth Proportional to 711,181.56, 1,066,937.58 and 205,722.12

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Solution

The fourth proportional to 711,181.56, 1,066,937.58 and 205,722.12 is: 308,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,181.56 : 1,066,937.58 = 205,722.12 : x
  2. Step 2: Convert to fraction form
    711,181.56/1,066,937.58 = 205,722.12/x
  3. Step 3: Cross multiply
    711,181.56x = 1,066,937.58 × 205,722.12
  4. Step 4: Simplify right side
    711,181.56x = 219,492,660,865.27
  5. Step 5: Solve for x
    x = 219,492,660,865.27/711,181.56
  6. Step 6: Final answer
    x = 308,630.98

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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.