Home / 603,628.13-904,879.38-203,989.43

Finding the Fourth Proportional to 603,628.13, 904,879.38 and 203,989.43

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Solution

The fourth proportional to 603,628.13, 904,879.38 and 203,989.43 is: 305,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,628.13 : 904,879.38 = 203,989.43 : x
  2. Step 2: Convert to fraction form
    603,628.13/904,879.38 = 203,989.43/x
  3. Step 3: Cross multiply
    603,628.13x = 904,879.38 × 203,989.43
  4. Step 4: Simplify right side
    603,628.13x = 184,585,828,944.95
  5. Step 5: Solve for x
    x = 184,585,828,944.95/603,628.13
  6. Step 6: Final answer
    x = 305,793.95

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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.