Home / 678,919.68-1,018,489.68-229,667.85

Finding the Fourth Proportional to 678,919.68, 1,018,489.68 and 229,667.85

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Solution

The fourth proportional to 678,919.68, 1,018,489.68 and 229,667.85 is: 344,539.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,919.68 : 1,018,489.68 = 229,667.85 : x
  2. Step 2: Convert to fraction form
    678,919.68/1,018,489.68 = 229,667.85/x
  3. Step 3: Cross multiply
    678,919.68x = 1,018,489.68 × 229,667.85
  4. Step 4: Simplify right side
    678,919.68x = 233,914,335,052.79
  5. Step 5: Solve for x
    x = 233,914,335,052.79/678,919.68
  6. Step 6: Final answer
    x = 344,539.04

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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.