Home / 766,548.29-1,150,078.50-340,025.37

Finding the Fourth Proportional to 766,548.29, 1,150,078.50 and 340,025.37

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Solution

The fourth proportional to 766,548.29, 1,150,078.50 and 340,025.37 is: 510,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,548.29 : 1,150,078.50 = 340,025.37 : x
  2. Step 2: Convert to fraction form
    766,548.29/1,150,078.50 = 340,025.37/x
  3. Step 3: Cross multiply
    766,548.29x = 1,150,078.50 × 340,025.37
  4. Step 4: Simplify right side
    766,548.29x = 391,055,867,491.55
  5. Step 5: Solve for x
    x = 391,055,867,491.55/766,548.29
  6. Step 6: Final answer
    x = 510,151.64

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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.