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Finding the Fourth Proportional to 605,571.20, 908,138.10 and 305,952.20

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Solution

The fourth proportional to 605,571.20, 908,138.10 and 305,952.20 is: 458,817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,571.20 : 908,138.10 = 305,952.20 : x
  2. Step 2: Convert to fraction form
    605,571.20/908,138.10 = 305,952.20/x
  3. Step 3: Cross multiply
    605,571.20x = 908,138.10 × 305,952.20
  4. Step 4: Simplify right side
    605,571.20x = 277,846,849,598.82
  5. Step 5: Solve for x
    x = 277,846,849,598.82/605,571.20
  6. Step 6: Final answer
    x = 458,817.81

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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.