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Finding the Fourth Proportional to 504,021.20, 756,031.80 and 454,254.80

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Solution

The fourth proportional to 504,021.20, 756,031.80 and 454,254.80 is: 681,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,021.20 : 756,031.80 = 454,254.80 : x
  2. Step 2: Convert to fraction form
    504,021.20/756,031.80 = 454,254.80/x
  3. Step 3: Cross multiply
    504,021.20x = 756,031.80 × 454,254.80
  4. Step 4: Simplify right side
    504,021.20x = 343,431,074,102.64
  5. Step 5: Solve for x
    x = 343,431,074,102.64/504,021.20
  6. Step 6: Final answer
    x = 681,382.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.