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Finding the Fourth Proportional to 412,360.35, 617,490.48 and 271,692.51

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Solution

The fourth proportional to 412,360.35, 617,490.48 and 271,692.51 is: 406,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,360.35 : 617,490.48 = 271,692.51 : x
  2. Step 2: Convert to fraction form
    412,360.35/617,490.48 = 271,692.51/x
  3. Step 3: Cross multiply
    412,360.35x = 617,490.48 × 271,692.51
  4. Step 4: Simplify right side
    412,360.35x = 167,767,538,412.31
  5. Step 5: Solve for x
    x = 167,767,538,412.31/412,360.35
  6. Step 6: Final answer
    x = 406,846.92

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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.