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Finding the Fourth Proportional to 541,063.88, 810,931.10 and 303,908.04

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Solution

The fourth proportional to 541,063.88, 810,931.10 and 303,908.04 is: 455,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,063.88 : 810,931.10 = 303,908.04 : x
  2. Step 2: Convert to fraction form
    541,063.88/810,931.10 = 303,908.04/x
  3. Step 3: Cross multiply
    541,063.88x = 810,931.10 × 303,908.04
  4. Step 4: Simplify right side
    541,063.88x = 246,448,481,176.04
  5. Step 5: Solve for x
    x = 246,448,481,176.04/541,063.88
  6. Step 6: Final answer
    x = 455,488.70

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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.