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Finding the Fourth Proportional to 409,473.03, 611,006.46 and 366,919.48

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Solution

The fourth proportional to 409,473.03, 611,006.46 and 366,919.48 is: 547,509.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,473.03 : 611,006.46 = 366,919.48 : x
  2. Step 2: Convert to fraction form
    409,473.03/611,006.46 = 366,919.48/x
  3. Step 3: Cross multiply
    409,473.03x = 611,006.46 × 366,919.48
  4. Step 4: Simplify right side
    409,473.03x = 224,190,171,052.33
  5. Step 5: Solve for x
    x = 224,190,171,052.33/409,473.03
  6. Step 6: Final answer
    x = 547,509.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.