Home / 331,051.20-497,613.60-324,830.40

Finding the Fourth Proportional to 331,051.20, 497,613.60 and 324,830.40

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Solution

The fourth proportional to 331,051.20, 497,613.60 and 324,830.40 is: 488,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,051.20 : 497,613.60 = 324,830.40 : x
  2. Step 2: Convert to fraction form
    331,051.20/497,613.60 = 324,830.40/x
  3. Step 3: Cross multiply
    331,051.20x = 497,613.60 × 324,830.40
  4. Step 4: Simplify right side
    331,051.20x = 161,640,024,733.44
  5. Step 5: Solve for x
    x = 161,640,024,733.44/331,051.20
  6. Step 6: Final answer
    x = 488,262.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.