Home / 551,982.72-761,624.39-322,495.65

Finding the Fourth Proportional to 551,982.72, 761,624.39 and 322,495.65

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Solution

The fourth proportional to 551,982.72, 761,624.39 and 322,495.65 is: 444,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,982.72 : 761,624.39 = 322,495.65 : x
  2. Step 2: Convert to fraction form
    551,982.72/761,624.39 = 322,495.65/x
  3. Step 3: Cross multiply
    551,982.72x = 761,624.39 × 322,495.65
  4. Step 4: Simplify right side
    551,982.72x = 245,620,551,096.43
  5. Step 5: Solve for x
    x = 245,620,551,096.43/551,982.72
  6. Step 6: Final answer
    x = 444,978.69

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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.