Home / 905,469.92-1,357,360.72-306,011.92

Finding the Fourth Proportional to 905,469.92, 1,357,360.72 and 306,011.92

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Solution

The fourth proportional to 905,469.92, 1,357,360.72 and 306,011.92 is: 458,732.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,469.92 : 1,357,360.72 = 306,011.92 : x
  2. Step 2: Convert to fraction form
    905,469.92/1,357,360.72 = 306,011.92/x
  3. Step 3: Cross multiply
    905,469.92x = 1,357,360.72 × 306,011.92
  4. Step 4: Simplify right side
    905,469.92x = 415,368,560,059.78
  5. Step 5: Solve for x
    x = 415,368,560,059.78/905,469.92
  6. Step 6: Final answer
    x = 458,732.59

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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.