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Finding the Fourth Proportional to 504,010.20, 756,015.30 and 454,243.80

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Solution

The fourth proportional to 504,010.20, 756,015.30 and 454,243.80 is: 681,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,010.20 : 756,015.30 = 454,243.80 : x
  2. Step 2: Convert to fraction form
    504,010.20/756,015.30 = 454,243.80/x
  3. Step 3: Cross multiply
    504,010.20x = 756,015.30 × 454,243.80
  4. Step 4: Simplify right side
    504,010.20x = 343,415,262,730.14
  5. Step 5: Solve for x
    x = 343,415,262,730.14/504,010.20
  6. Step 6: Final answer
    x = 681,365.70

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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.