Home / 721,628.32-1,082,315.76-222,996.64

Finding the Fourth Proportional to 721,628.32, 1,082,315.76 and 222,996.64

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Solution

The fourth proportional to 721,628.32, 1,082,315.76 and 222,996.64 is: 334,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,628.32 : 1,082,315.76 = 222,996.64 : x
  2. Step 2: Convert to fraction form
    721,628.32/1,082,315.76 = 222,996.64/x
  3. Step 3: Cross multiply
    721,628.32x = 1,082,315.76 × 222,996.64
  4. Step 4: Simplify right side
    721,628.32x = 241,352,777,899.05
  5. Step 5: Solve for x
    x = 241,352,777,899.05/721,628.32
  6. Step 6: Final answer
    x = 334,455.80

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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.