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Finding the Fourth Proportional to 636,794.12, 878,748.18 and 350,296.04

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Solution

The fourth proportional to 636,794.12, 878,748.18 and 350,296.04 is: 483,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,794.12 : 878,748.18 = 350,296.04 : x
  2. Step 2: Convert to fraction form
    636,794.12/878,748.18 = 350,296.04/x
  3. Step 3: Cross multiply
    636,794.12x = 878,748.18 × 350,296.04
  4. Step 4: Simplify right side
    636,794.12x = 307,822,007,611.21
  5. Step 5: Solve for x
    x = 307,822,007,611.21/636,794.12
  6. Step 6: Final answer
    x = 483,393.29

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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.