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Finding the Fourth Proportional to 504,755.80, 757,133.70 and 447,675.10

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Solution

The fourth proportional to 504,755.80, 757,133.70 and 447,675.10 is: 671,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,755.80 : 757,133.70 = 447,675.10 : x
  2. Step 2: Convert to fraction form
    504,755.80/757,133.70 = 447,675.10/x
  3. Step 3: Cross multiply
    504,755.80x = 757,133.70 × 447,675.10
  4. Step 4: Simplify right side
    504,755.80x = 338,949,904,860.87
  5. Step 5: Solve for x
    x = 338,949,904,860.87/504,755.80
  6. Step 6: Final answer
    x = 671,512.65

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Double scale
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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.