Home / 764,508.39-1,146,755.30-203,542.89

Finding the Fourth Proportional to 764,508.39, 1,146,755.30 and 203,542.89

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Solution

The fourth proportional to 764,508.39, 1,146,755.30 and 203,542.89 is: 305,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,508.39 : 1,146,755.30 = 203,542.89 : x
  2. Step 2: Convert to fraction form
    764,508.39/1,146,755.30 = 203,542.89/x
  3. Step 3: Cross multiply
    764,508.39x = 1,146,755.30 × 203,542.89
  4. Step 4: Simplify right side
    764,508.39x = 233,413,886,867.10
  5. Step 5: Solve for x
    x = 233,413,886,867.10/764,508.39
  6. Step 6: Final answer
    x = 305,312.39

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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.