Home / 447,467.31-617,518.89-253,883.18

Finding the Fourth Proportional to 447,467.31, 617,518.89 and 253,883.18

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Solution

The fourth proportional to 447,467.31, 617,518.89 and 253,883.18 is: 350,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,467.31 : 617,518.89 = 253,883.18 : x
  2. Step 2: Convert to fraction form
    447,467.31/617,518.89 = 253,883.18/x
  3. Step 3: Cross multiply
    447,467.31x = 617,518.89 × 253,883.18
  4. Step 4: Simplify right side
    447,467.31x = 156,777,659,503.27
  5. Step 5: Solve for x
    x = 156,777,659,503.27/447,467.31
  6. Step 6: Final answer
    x = 350,366.73

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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.