Home / 470,200.20-648,889.14-276,621.54

Finding the Fourth Proportional to 470,200.20, 648,889.14 and 276,621.54

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Solution

The fourth proportional to 470,200.20, 648,889.14 and 276,621.54 is: 381,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,200.20 : 648,889.14 = 276,621.54 : x
  2. Step 2: Convert to fraction form
    470,200.20/648,889.14 = 276,621.54/x
  3. Step 3: Cross multiply
    470,200.20x = 648,889.14 × 276,621.54
  4. Step 4: Simplify right side
    470,200.20x = 179,496,713,196.08
  5. Step 5: Solve for x
    x = 179,496,713,196.08/470,200.20
  6. Step 6: Final answer
    x = 381,745.29

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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.