Home / 764,060.22-1,146,319.29-308,416.86

Finding the Fourth Proportional to 764,060.22, 1,146,319.29 and 308,416.86

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Solution

The fourth proportional to 764,060.22, 1,146,319.29 and 308,416.86 is: 462,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,060.22 : 1,146,319.29 = 308,416.86 : x
  2. Step 2: Convert to fraction form
    764,060.22/1,146,319.29 = 308,416.86/x
  3. Step 3: Cross multiply
    764,060.22x = 1,146,319.29 × 308,416.86
  4. Step 4: Simplify right side
    764,060.22x = 353,544,195,979.23
  5. Step 5: Solve for x
    x = 353,544,195,979.23/764,060.22
  6. Step 6: Final answer
    x = 462,717.71

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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.