Home / 764,046.64-1,146,299.14-308,403.42

Finding the Fourth Proportional to 764,046.64, 1,146,299.14 and 308,403.42

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Solution

The fourth proportional to 764,046.64, 1,146,299.14 and 308,403.42 is: 462,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,046.64 : 1,146,299.14 = 308,403.42 : x
  2. Step 2: Convert to fraction form
    764,046.64/1,146,299.14 = 308,403.42/x
  3. Step 3: Cross multiply
    764,046.64x = 1,146,299.14 × 308,403.42
  4. Step 4: Simplify right side
    764,046.64x = 353,522,575,119.06
  5. Step 5: Solve for x
    x = 353,522,575,119.06/764,046.64
  6. Step 6: Final answer
    x = 462,697.64

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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.