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Finding the Fourth Proportional to 392,451.60, 587,802.60 and 322,467.60

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Solution

The fourth proportional to 392,451.60, 587,802.60 and 322,467.60 is: 482,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,451.60 : 587,802.60 = 322,467.60 : x
  2. Step 2: Convert to fraction form
    392,451.60/587,802.60 = 322,467.60/x
  3. Step 3: Cross multiply
    392,451.60x = 587,802.60 × 322,467.60
  4. Step 4: Simplify right side
    392,451.60x = 189,547,293,695.76
  5. Step 5: Solve for x
    x = 189,547,293,695.76/392,451.60
  6. Step 6: Final answer
    x = 482,982.60

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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.