Home / 912,538.43-1,368,709.04-305,257.85

Finding the Fourth Proportional to 912,538.43, 1,368,709.04 and 305,257.85

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Solution

The fourth proportional to 912,538.43, 1,368,709.04 and 305,257.85 is: 457,853.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,538.43 : 1,368,709.04 = 305,257.85 : x
  2. Step 2: Convert to fraction form
    912,538.43/1,368,709.04 = 305,257.85/x
  3. Step 3: Cross multiply
    912,538.43x = 1,368,709.04 × 305,257.85
  4. Step 4: Simplify right side
    912,538.43x = 417,809,183,652.46
  5. Step 5: Solve for x
    x = 417,809,183,652.46/912,538.43
  6. Step 6: Final answer
    x = 457,853.79

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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.