Home / 764,044.64-1,146,296.14-308,401.42

Finding the Fourth Proportional to 764,044.64, 1,146,296.14 and 308,401.42

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Solution

The fourth proportional to 764,044.64, 1,146,296.14 and 308,401.42 is: 462,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,044.64 : 1,146,296.14 = 308,401.42 : x
  2. Step 2: Convert to fraction form
    764,044.64/1,146,296.14 = 308,401.42/x
  3. Step 3: Cross multiply
    764,044.64x = 1,146,296.14 × 308,401.42
  4. Step 4: Simplify right side
    764,044.64x = 353,519,357,316.52
  5. Step 5: Solve for x
    x = 353,519,357,316.52/764,044.64
  6. Step 6: Final answer
    x = 462,694.64

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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.