Home / 649,487.55-973,982.12-222,943.85

Finding the Fourth Proportional to 649,487.55, 973,982.12 and 222,943.85

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Solution

The fourth proportional to 649,487.55, 973,982.12 and 222,943.85 is: 334,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,487.55 : 973,982.12 = 222,943.85 : x
  2. Step 2: Convert to fraction form
    649,487.55/973,982.12 = 222,943.85/x
  3. Step 3: Cross multiply
    649,487.55x = 973,982.12 × 222,943.85
  4. Step 4: Simplify right side
    649,487.55x = 217,143,323,663.96
  5. Step 5: Solve for x
    x = 217,143,323,663.96/649,487.55
  6. Step 6: Final answer
    x = 334,330.23

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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.