Home / 764,622.69-1,146,217.46-258,829.74

Finding the Fourth Proportional to 764,622.69, 1,146,217.46 and 258,829.74

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Solution

The fourth proportional to 764,622.69, 1,146,217.46 and 258,829.74 is: 388,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,622.69 : 1,146,217.46 = 258,829.74 : x
  2. Step 2: Convert to fraction form
    764,622.69/1,146,217.46 = 258,829.74/x
  3. Step 3: Cross multiply
    764,622.69x = 1,146,217.46 × 258,829.74
  4. Step 4: Simplify right side
    764,622.69x = 296,675,162,351.43
  5. Step 5: Solve for x
    x = 296,675,162,351.43/764,622.69
  6. Step 6: Final answer
    x = 388,002.04

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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.