Home / 814,908.04-1,221,613.68-282,056.42

Finding the Fourth Proportional to 814,908.04, 1,221,613.68 and 282,056.42

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Solution

The fourth proportional to 814,908.04, 1,221,613.68 and 282,056.42 is: 422,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,908.04 : 1,221,613.68 = 282,056.42 : x
  2. Step 2: Convert to fraction form
    814,908.04/1,221,613.68 = 282,056.42/x
  3. Step 3: Cross multiply
    814,908.04x = 1,221,613.68 × 282,056.42
  4. Step 4: Simplify right side
    814,908.04x = 344,563,985,315.57
  5. Step 5: Solve for x
    x = 344,563,985,315.57/814,908.04
  6. Step 6: Final answer
    x = 422,825.61

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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.