Home / 876,765.57-1,315,222.92-308,097.60

Finding the Fourth Proportional to 876,765.57, 1,315,222.92 and 308,097.60

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Solution

The fourth proportional to 876,765.57, 1,315,222.92 and 308,097.60 is: 462,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,765.57 : 1,315,222.92 = 308,097.60 : x
  2. Step 2: Convert to fraction form
    876,765.57/1,315,222.92 = 308,097.60/x
  3. Step 3: Cross multiply
    876,765.57x = 1,315,222.92 × 308,097.60
  4. Step 4: Simplify right side
    876,765.57x = 405,217,025,116.99
  5. Step 5: Solve for x
    x = 405,217,025,116.99/876,765.57
  6. Step 6: Final answer
    x = 462,172.60

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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.