Home / 617,742.32-927,212.67-298,119.12

Finding the Fourth Proportional to 617,742.32, 927,212.67 and 298,119.12

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Solution

The fourth proportional to 617,742.32, 927,212.67 and 298,119.12 is: 447,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,742.32 : 927,212.67 = 298,119.12 : x
  2. Step 2: Convert to fraction form
    617,742.32/927,212.67 = 298,119.12/x
  3. Step 3: Cross multiply
    617,742.32x = 927,212.67 × 298,119.12
  4. Step 4: Simplify right side
    617,742.32x = 276,419,825,233.25
  5. Step 5: Solve for x
    x = 276,419,825,233.25/617,742.32
  6. Step 6: Final answer
    x = 447,467.85

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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.