Home / 551,982.97-761,624.73-322,495.90

Finding the Fourth Proportional to 551,982.97, 761,624.73 and 322,495.90

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Solution

The fourth proportional to 551,982.97, 761,624.73 and 322,495.90 is: 444,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,982.97 : 761,624.73 = 322,495.90 : x
  2. Step 2: Convert to fraction form
    551,982.97/761,624.73 = 322,495.90/x
  3. Step 3: Cross multiply
    551,982.97x = 761,624.73 × 322,495.90
  4. Step 4: Simplify right side
    551,982.97x = 245,620,852,763.61
  5. Step 5: Solve for x
    x = 245,620,852,763.61/551,982.97
  6. Step 6: Final answer
    x = 444,979.04

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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.