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Finding the Fourth Proportional to 325,534.40, 488,301.60 and 323,460.80

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Solution

The fourth proportional to 325,534.40, 488,301.60 and 323,460.80 is: 485,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,534.40 : 488,301.60 = 323,460.80 : x
  2. Step 2: Convert to fraction form
    325,534.40/488,301.60 = 323,460.80/x
  3. Step 3: Cross multiply
    325,534.40x = 488,301.60 × 323,460.80
  4. Step 4: Simplify right side
    325,534.40x = 157,946,426,177.28
  5. Step 5: Solve for x
    x = 157,946,426,177.28/325,534.40
  6. Step 6: Final answer
    x = 485,191.20

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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.