Home / 684,996.87-1,027,513.77-305,828.47

Finding the Fourth Proportional to 684,996.87, 1,027,513.77 and 305,828.47

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Solution

The fourth proportional to 684,996.87, 1,027,513.77 and 305,828.47 is: 458,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,996.87 : 1,027,513.77 = 305,828.47 : x
  2. Step 2: Convert to fraction form
    684,996.87/1,027,513.77 = 305,828.47/x
  3. Step 3: Cross multiply
    684,996.87x = 1,027,513.77 × 305,828.47
  4. Step 4: Simplify right side
    684,996.87x = 314,242,964,183.03
  5. Step 5: Solve for x
    x = 314,242,964,183.03/684,996.87
  6. Step 6: Final answer
    x = 458,750.95

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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.