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Finding the Fourth Proportional to 550,759.49, 760,008.24 and 305,757.41

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Solution

The fourth proportional to 550,759.49, 760,008.24 and 305,757.41 is: 421,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,759.49 : 760,008.24 = 305,757.41 : x
  2. Step 2: Convert to fraction form
    550,759.49/760,008.24 = 305,757.41/x
  3. Step 3: Cross multiply
    550,759.49x = 760,008.24 × 305,757.41
  4. Step 4: Simplify right side
    550,759.49x = 232,378,147,241.02
  5. Step 5: Solve for x
    x = 232,378,147,241.02/550,759.49
  6. Step 6: Final answer
    x = 421,923.09

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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.