Home / 649,486.55-973,980.62-222,942.85

Finding the Fourth Proportional to 649,486.55, 973,980.62 and 222,942.85

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Solution

The fourth proportional to 649,486.55, 973,980.62 and 222,942.85 is: 334,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,486.55 : 973,980.62 = 222,942.85 : x
  2. Step 2: Convert to fraction form
    649,486.55/973,980.62 = 222,942.85/x
  3. Step 3: Cross multiply
    649,486.55x = 973,980.62 × 222,942.85
  4. Step 4: Simplify right side
    649,486.55x = 217,142,012,553.94
  5. Step 5: Solve for x
    x = 217,142,012,553.94/649,486.55
  6. Step 6: Final answer
    x = 334,328.73

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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.