Home / 766,550.29-1,150,081.50-340,027.37

Finding the Fourth Proportional to 766,550.29, 1,150,081.50 and 340,027.37

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Solution

The fourth proportional to 766,550.29, 1,150,081.50 and 340,027.37 is: 510,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,550.29 : 1,150,081.50 = 340,027.37 : x
  2. Step 2: Convert to fraction form
    766,550.29/1,150,081.50 = 340,027.37/x
  3. Step 3: Cross multiply
    766,550.29x = 1,150,081.50 × 340,027.37
  4. Step 4: Simplify right side
    766,550.29x = 391,059,187,730.66
  5. Step 5: Solve for x
    x = 391,059,187,730.66/766,550.29
  6. Step 6: Final answer
    x = 510,154.64

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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.