Home / 764,626.93-1,147,078.30-315,097.59

Finding the Fourth Proportional to 764,626.93, 1,147,078.30 and 315,097.59

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Solution

The fourth proportional to 764,626.93, 1,147,078.30 and 315,097.59 is: 472,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,626.93 : 1,147,078.30 = 315,097.59 : x
  2. Step 2: Convert to fraction form
    764,626.93/1,147,078.30 = 315,097.59/x
  3. Step 3: Cross multiply
    764,626.93x = 1,147,078.30 × 315,097.59
  4. Step 4: Simplify right side
    764,626.93x = 361,441,607,871.30
  5. Step 5: Solve for x
    x = 361,441,607,871.30/764,626.93
  6. Step 6: Final answer
    x = 472,703.21

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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.