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Finding the Fourth Proportional to 801,704.03, 1,106,352 and 439,133.94

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Solution

The fourth proportional to 801,704.03, 1,106,352 and 439,133.94 is: 606,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,704.03 : 1,106,352 = 439,133.94 : x
  2. Step 2: Convert to fraction form
    801,704.03/1,106,352 = 439,133.94/x
  3. Step 3: Cross multiply
    801,704.03x = 1,106,352 × 439,133.94
  4. Step 4: Simplify right side
    801,704.03x = 485,836,712,786.88
  5. Step 5: Solve for x
    x = 485,836,712,786.88/801,704.03
  6. Step 6: Final answer
    x = 606,005.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.