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Finding the Fourth Proportional to 456,489.77, 629,974.53 and 252,537.23

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Solution

The fourth proportional to 456,489.77, 629,974.53 and 252,537.23 is: 348,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,489.77 : 629,974.53 = 252,537.23 : x
  2. Step 2: Convert to fraction form
    456,489.77/629,974.53 = 252,537.23/x
  3. Step 3: Cross multiply
    456,489.77x = 629,974.53 × 252,537.23
  4. Step 4: Simplify right side
    456,489.77x = 159,092,024,351.69
  5. Step 5: Solve for x
    x = 159,092,024,351.69/456,489.77
  6. Step 6: Final answer
    x = 348,511.70

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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.