Home / 414,648.08-572,390.90-278,760.83

Finding the Fourth Proportional to 414,648.08, 572,390.90 and 278,760.83

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Solution

The fourth proportional to 414,648.08, 572,390.90 and 278,760.83 is: 384,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,648.08 : 572,390.90 = 278,760.83 : x
  2. Step 2: Convert to fraction form
    414,648.08/572,390.90 = 278,760.83/x
  3. Step 3: Cross multiply
    414,648.08x = 572,390.90 × 278,760.83
  4. Step 4: Simplify right side
    414,648.08x = 159,560,162,405.62
  5. Step 5: Solve for x
    x = 159,560,162,405.62/414,648.08
  6. Step 6: Final answer
    x = 384,808.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.