Home / 488,748.46-674,445.06-284,832.58

Finding the Fourth Proportional to 488,748.46, 674,445.06 and 284,832.58

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Solution

The fourth proportional to 488,748.46, 674,445.06 and 284,832.58 is: 393,052.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,748.46 : 674,445.06 = 284,832.58 : x
  2. Step 2: Convert to fraction form
    488,748.46/674,445.06 = 284,832.58/x
  3. Step 3: Cross multiply
    488,748.46x = 674,445.06 × 284,832.58
  4. Step 4: Simplify right side
    488,748.46x = 192,103,926,508.06
  5. Step 5: Solve for x
    x = 192,103,926,508.06/488,748.46
  6. Step 6: Final answer
    x = 393,052.75

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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.