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Finding the Fourth Proportional to 533,383.80, 800,075.70 and 494,503.80

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Solution

The fourth proportional to 533,383.80, 800,075.70 and 494,503.80 is: 741,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,383.80 : 800,075.70 = 494,503.80 : x
  2. Step 2: Convert to fraction form
    533,383.80/800,075.70 = 494,503.80/x
  3. Step 3: Cross multiply
    533,383.80x = 800,075.70 × 494,503.80
  4. Step 4: Simplify right side
    533,383.80x = 395,640,473,937.66
  5. Step 5: Solve for x
    x = 395,640,473,937.66/533,383.80
  6. Step 6: Final answer
    x = 741,755.70

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Similar ratio
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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.