Home / 649,486.45-973,980.53-222,942.79

Finding the Fourth Proportional to 649,486.45, 973,980.53 and 222,942.79

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Solution

The fourth proportional to 649,486.45, 973,980.53 and 222,942.79 is: 334,328.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,486.45 : 973,980.53 = 222,942.79 : x
  2. Step 2: Convert to fraction form
    649,486.45/973,980.53 = 222,942.79/x
  3. Step 3: Cross multiply
    649,486.45x = 973,980.53 × 222,942.79
  4. Step 4: Simplify right side
    649,486.45x = 217,141,930,779.26
  5. Step 5: Solve for x
    x = 217,141,930,779.26/649,486.45
  6. Step 6: Final answer
    x = 334,328.66

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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.