Home / 649,489.55-973,985.11-222,945.85

Finding the Fourth Proportional to 649,489.55, 973,985.11 and 222,945.85

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Solution

The fourth proportional to 649,489.55, 973,985.11 and 222,945.85 is: 334,333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,489.55 : 973,985.11 = 222,945.85 : x
  2. Step 2: Convert to fraction form
    649,489.55/973,985.11 = 222,945.85/x
  3. Step 3: Cross multiply
    649,489.55x = 973,985.11 × 222,945.85
  4. Step 4: Simplify right side
    649,489.55x = 217,145,935,243.97
  5. Step 5: Solve for x
    x = 217,145,935,243.97/649,489.55
  6. Step 6: Final answer
    x = 334,333.22

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Double scale
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Similar ratio
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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.