Home / 348,734.40-523,101.60-327,739.20

Finding the Fourth Proportional to 348,734.40, 523,101.60 and 327,739.20

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Solution

The fourth proportional to 348,734.40, 523,101.60 and 327,739.20 is: 491,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,734.40 : 523,101.60 = 327,739.20 : x
  2. Step 2: Convert to fraction form
    348,734.40/523,101.60 = 327,739.20/x
  3. Step 3: Cross multiply
    348,734.40x = 523,101.60 × 327,739.20
  4. Step 4: Simplify right side
    348,734.40x = 171,440,899,902.72
  5. Step 5: Solve for x
    x = 171,440,899,902.72/348,734.40
  6. Step 6: Final answer
    x = 491,608.80

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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.