Home / 447,108.45-616,692.38-274,800.18

Finding the Fourth Proportional to 447,108.45, 616,692.38 and 274,800.18

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Solution

The fourth proportional to 447,108.45, 616,692.38 and 274,800.18 is: 379,029.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,108.45 : 616,692.38 = 274,800.18 : x
  2. Step 2: Convert to fraction form
    447,108.45/616,692.38 = 274,800.18/x
  3. Step 3: Cross multiply
    447,108.45x = 616,692.38 × 274,800.18
  4. Step 4: Simplify right side
    447,108.45x = 169,467,177,028.63
  5. Step 5: Solve for x
    x = 169,467,177,028.63/447,108.45
  6. Step 6: Final answer
    x = 379,029.24

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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.