Home / 781,694.92-1,172,365.87-397,054.20

Finding the Fourth Proportional to 781,694.92, 1,172,365.87 and 397,054.20

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Solution

The fourth proportional to 781,694.92, 1,172,365.87 and 397,054.20 is: 595,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,694.92 : 1,172,365.87 = 397,054.20 : x
  2. Step 2: Convert to fraction form
    781,694.92/1,172,365.87 = 397,054.20/x
  3. Step 3: Cross multiply
    781,694.92x = 1,172,365.87 × 397,054.20
  4. Step 4: Simplify right side
    781,694.92x = 465,492,792,620.15
  5. Step 5: Solve for x
    x = 465,492,792,620.15/781,694.92
  6. Step 6: Final answer
    x = 595,491.64

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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.