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Finding the Fourth Proportional to 519,994.08, 717,901.20 and 329,171.04

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Solution

The fourth proportional to 519,994.08, 717,901.20 and 329,171.04 is: 454,451.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,994.08 : 717,901.20 = 329,171.04 : x
  2. Step 2: Convert to fraction form
    519,994.08/717,901.20 = 329,171.04/x
  3. Step 3: Cross multiply
    519,994.08x = 717,901.20 × 329,171.04
  4. Step 4: Simplify right side
    519,994.08x = 236,312,284,621.25
  5. Step 5: Solve for x
    x = 236,312,284,621.25/519,994.08
  6. Step 6: Final answer
    x = 454,451.87

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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.