Home / 721,653.66-1,082,183.85-216,036.06

Finding the Fourth Proportional to 721,653.66, 1,082,183.85 and 216,036.06

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Solution

The fourth proportional to 721,653.66, 1,082,183.85 and 216,036.06 is: 323,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,653.66 : 1,082,183.85 = 216,036.06 : x
  2. Step 2: Convert to fraction form
    721,653.66/1,082,183.85 = 216,036.06/x
  3. Step 3: Cross multiply
    721,653.66x = 1,082,183.85 × 216,036.06
  4. Step 4: Simplify right side
    721,653.66x = 233,790,735,149.63
  5. Step 5: Solve for x
    x = 233,790,735,149.63/721,653.66
  6. Step 6: Final answer
    x = 323,965.29

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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.