Home / 496,114.08-684,622.56-281,273.76

Finding the Fourth Proportional to 496,114.08, 684,622.56 and 281,273.76

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Solution

The fourth proportional to 496,114.08, 684,622.56 and 281,273.76 is: 388,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,114.08 : 684,622.56 = 281,273.76 : x
  2. Step 2: Convert to fraction form
    496,114.08/684,622.56 = 281,273.76/x
  3. Step 3: Cross multiply
    496,114.08x = 684,622.56 × 281,273.76
  4. Step 4: Simplify right side
    496,114.08x = 192,566,361,632.03
  5. Step 5: Solve for x
    x = 192,566,361,632.03/496,114.08
  6. Step 6: Final answer
    x = 388,149.36

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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.