Home / 498,664.20-747,777.60-199,045.20

Finding the Fourth Proportional to 498,664.20, 747,777.60 and 199,045.20

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Solution

The fourth proportional to 498,664.20, 747,777.60 and 199,045.20 is: 298,480.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,664.20 : 747,777.60 = 199,045.20 : x
  2. Step 2: Convert to fraction form
    498,664.20/747,777.60 = 199,045.20/x
  3. Step 3: Cross multiply
    498,664.20x = 747,777.60 × 199,045.20
  4. Step 4: Simplify right side
    498,664.20x = 148,841,541,947.52
  5. Step 5: Solve for x
    x = 148,841,541,947.52/498,664.20
  6. Step 6: Final answer
    x = 298,480.50

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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.