Home / 838,099.80-1,257,149.70-306,002.70

Finding the Fourth Proportional to 838,099.80, 1,257,149.70 and 306,002.70

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Solution

The fourth proportional to 838,099.80, 1,257,149.70 and 306,002.70 is: 459,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,099.80 : 1,257,149.70 = 306,002.70 : x
  2. Step 2: Convert to fraction form
    838,099.80/1,257,149.70 = 306,002.70/x
  3. Step 3: Cross multiply
    838,099.80x = 1,257,149.70 × 306,002.70
  4. Step 4: Simplify right side
    838,099.80x = 384,691,202,504.19
  5. Step 5: Solve for x
    x = 384,691,202,504.19/838,099.80
  6. Step 6: Final answer
    x = 459,004.05

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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.