Home / 892,659.65-1,338,815.17-285,285.04

Finding the Fourth Proportional to 892,659.65, 1,338,815.17 and 285,285.04

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Solution

The fourth proportional to 892,659.65, 1,338,815.17 and 285,285.04 is: 427,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,659.65 : 1,338,815.17 = 285,285.04 : x
  2. Step 2: Convert to fraction form
    892,659.65/1,338,815.17 = 285,285.04/x
  3. Step 3: Cross multiply
    892,659.65x = 1,338,815.17 × 285,285.04
  4. Step 4: Simplify right side
    892,659.65x = 381,943,937,137.99
  5. Step 5: Solve for x
    x = 381,943,937,137.99/892,659.65
  6. Step 6: Final answer
    x = 427,871.85

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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.