Home / 764,296.30-1,146,152.85-231,640.30

Finding the Fourth Proportional to 764,296.30, 1,146,152.85 and 231,640.30

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Solution

The fourth proportional to 764,296.30, 1,146,152.85 and 231,640.30 is: 347,372.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,296.30 : 1,146,152.85 = 231,640.30 : x
  2. Step 2: Convert to fraction form
    764,296.30/1,146,152.85 = 231,640.30/x
  3. Step 3: Cross multiply
    764,296.30x = 1,146,152.85 × 231,640.30
  4. Step 4: Simplify right side
    764,296.30x = 265,495,190,019.86
  5. Step 5: Solve for x
    x = 265,495,190,019.86/764,296.30
  6. Step 6: Final answer
    x = 347,372.07

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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.