Home / 721,580.03-1,082,065.41-216,212.79

Finding the Fourth Proportional to 721,580.03, 1,082,065.41 and 216,212.79

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Solution

The fourth proportional to 721,580.03, 1,082,065.41 and 216,212.79 is: 324,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,580.03 : 1,082,065.41 = 216,212.79 : x
  2. Step 2: Convert to fraction form
    721,580.03/1,082,065.41 = 216,212.79/x
  3. Step 3: Cross multiply
    721,580.03x = 1,082,065.41 × 216,212.79
  4. Step 4: Simplify right side
    721,580.03x = 233,956,381,258.59
  5. Step 5: Solve for x
    x = 233,956,381,258.59/721,580.03
  6. Step 6: Final answer
    x = 324,227.91

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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.