Home / 488,983.42-674,799.42-285,175.72

Finding the Fourth Proportional to 488,983.42, 674,799.42 and 285,175.72

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Solution

The fourth proportional to 488,983.42, 674,799.42 and 285,175.72 is: 393,543.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,983.42 : 674,799.42 = 285,175.72 : x
  2. Step 2: Convert to fraction form
    488,983.42/674,799.42 = 285,175.72/x
  3. Step 3: Cross multiply
    488,983.42x = 674,799.42 × 285,175.72
  4. Step 4: Simplify right side
    488,983.42x = 192,436,410,454.08
  5. Step 5: Solve for x
    x = 192,436,410,454.08/488,983.42
  6. Step 6: Final answer
    x = 393,543.84

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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.