Home / 454,200.30-682,776.68-389,246.40

Finding the Fourth Proportional to 454,200.30, 682,776.68 and 389,246.40

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Solution

The fourth proportional to 454,200.30, 682,776.68 and 389,246.40 is: 585,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,200.30 : 682,776.68 = 389,246.40 : x
  2. Step 2: Convert to fraction form
    454,200.30/682,776.68 = 389,246.40/x
  3. Step 3: Cross multiply
    454,200.30x = 682,776.68 × 389,246.40
  4. Step 4: Simplify right side
    454,200.30x = 265,768,362,747.72
  5. Step 5: Solve for x
    x = 265,768,362,747.72/454,200.30
  6. Step 6: Final answer
    x = 585,134.71

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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.