Home / 538,923.92-743,705.20-297,228.96

Finding the Fourth Proportional to 538,923.92, 743,705.20 and 297,228.96

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Solution

The fourth proportional to 538,923.92, 743,705.20 and 297,228.96 is: 410,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,923.92 : 743,705.20 = 297,228.96 : x
  2. Step 2: Convert to fraction form
    538,923.92/743,705.20 = 297,228.96/x
  3. Step 3: Cross multiply
    538,923.92x = 743,705.20 × 297,228.96
  4. Step 4: Simplify right side
    538,923.92x = 221,050,723,142.59
  5. Step 5: Solve for x
    x = 221,050,723,142.59/538,923.92
  6. Step 6: Final answer
    x = 410,170.55

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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.