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Finding the Fourth Proportional to 504,692.72, 696,476.64 and 275,250.56

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Solution

The fourth proportional to 504,692.72, 696,476.64 and 275,250.56 is: 379,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,692.72 : 696,476.64 = 275,250.56 : x
  2. Step 2: Convert to fraction form
    504,692.72/696,476.64 = 275,250.56/x
  3. Step 3: Cross multiply
    504,692.72x = 696,476.64 × 275,250.56
  4. Step 4: Simplify right side
    504,692.72x = 191,705,585,186.92
  5. Step 5: Solve for x
    x = 191,705,585,186.92/504,692.72
  6. Step 6: Final answer
    x = 379,846.15

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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.