Home / 394,730.75-544,741.40-215,882.75

Finding the Fourth Proportional to 394,730.75, 544,741.40 and 215,882.75

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Solution

The fourth proportional to 394,730.75, 544,741.40 and 215,882.75 is: 297,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,730.75 : 544,741.40 = 215,882.75 : x
  2. Step 2: Convert to fraction form
    394,730.75/544,741.40 = 215,882.75/x
  3. Step 3: Cross multiply
    394,730.75x = 544,741.40 × 215,882.75
  4. Step 4: Simplify right side
    394,730.75x = 117,600,271,470.85
  5. Step 5: Solve for x
    x = 117,600,271,470.85/394,730.75
  6. Step 6: Final answer
    x = 297,925.29

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1.5x scale

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.