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Finding the Fourth Proportional to 449,759.08, 620,650.02 and 248,550.76

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Solution

The fourth proportional to 449,759.08, 620,650.02 and 248,550.76 is: 342,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,759.08 : 620,650.02 = 248,550.76 : x
  2. Step 2: Convert to fraction form
    449,759.08/620,650.02 = 248,550.76/x
  3. Step 3: Cross multiply
    449,759.08x = 620,650.02 × 248,550.76
  4. Step 4: Simplify right side
    449,759.08x = 154,263,034,165.02
  5. Step 5: Solve for x
    x = 154,263,034,165.02/449,759.08
  6. Step 6: Final answer
    x = 342,990.37

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1.5x scale

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.