Home / 470,273.78-648,982.50-255,418.04

Finding the Fourth Proportional to 470,273.78, 648,982.50 and 255,418.04

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Solution

The fourth proportional to 470,273.78, 648,982.50 and 255,418.04 is: 352,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,273.78 : 648,982.50 = 255,418.04 : x
  2. Step 2: Convert to fraction form
    470,273.78/648,982.50 = 255,418.04/x
  3. Step 3: Cross multiply
    470,273.78x = 648,982.50 × 255,418.04
  4. Step 4: Simplify right side
    470,273.78x = 165,761,838,144.30
  5. Step 5: Solve for x
    x = 165,761,838,144.30/470,273.78
  6. Step 6: Final answer
    x = 352,479.44

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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.