Home / 886,857.02-1,330,416.96-325,847.78

Finding the Fourth Proportional to 886,857.02, 1,330,416.96 and 325,847.78

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Solution

The fourth proportional to 886,857.02, 1,330,416.96 and 325,847.78 is: 488,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,857.02 : 1,330,416.96 = 325,847.78 : x
  2. Step 2: Convert to fraction form
    886,857.02/1,330,416.96 = 325,847.78/x
  3. Step 3: Cross multiply
    886,857.02x = 1,330,416.96 × 325,847.78
  4. Step 4: Simplify right side
    886,857.02x = 433,513,412,890.35
  5. Step 5: Solve for x
    x = 433,513,412,890.35/886,857.02
  6. Step 6: Final answer
    x = 488,819.96

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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.