Home / 951,937.60-1,427,906.40-320,785.60

Finding the Fourth Proportional to 951,937.60, 1,427,906.40 and 320,785.60

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Solution

The fourth proportional to 951,937.60, 1,427,906.40 and 320,785.60 is: 481,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,937.60 : 1,427,906.40 = 320,785.60 : x
  2. Step 2: Convert to fraction form
    951,937.60/1,427,906.40 = 320,785.60/x
  3. Step 3: Cross multiply
    951,937.60x = 1,427,906.40 × 320,785.60
  4. Step 4: Simplify right side
    951,937.60x = 458,051,811,267.84
  5. Step 5: Solve for x
    x = 458,051,811,267.84/951,937.60
  6. Step 6: Final answer
    x = 481,178.40

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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.