Home / 764,296.80-1,146,153.60-231,640.80

Finding the Fourth Proportional to 764,296.80, 1,146,153.60 and 231,640.80

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Solution

The fourth proportional to 764,296.80, 1,146,153.60 and 231,640.80 is: 347,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,296.80 : 1,146,153.60 = 231,640.80 : x
  2. Step 2: Convert to fraction form
    764,296.80/1,146,153.60 = 231,640.80/x
  3. Step 3: Cross multiply
    764,296.80x = 1,146,153.60 × 231,640.80
  4. Step 4: Simplify right side
    764,296.80x = 265,495,936,826.88
  5. Step 5: Solve for x
    x = 265,495,936,826.88/764,296.80
  6. Step 6: Final answer
    x = 347,372.82

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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.