Home / 857,557.20-1,286,530.08-296,596.56

Finding the Fourth Proportional to 857,557.20, 1,286,530.08 and 296,596.56

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Solution

The fourth proportional to 857,557.20, 1,286,530.08 and 296,596.56 is: 444,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,557.20 : 1,286,530.08 = 296,596.56 : x
  2. Step 2: Convert to fraction form
    857,557.20/1,286,530.08 = 296,596.56/x
  3. Step 3: Cross multiply
    857,557.20x = 1,286,530.08 × 296,596.56
  4. Step 4: Simplify right side
    857,557.20x = 381,580,396,064.53
  5. Step 5: Solve for x
    x = 381,580,396,064.53/857,557.20
  6. Step 6: Final answer
    x = 444,962.03

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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.