Home / 599,724.18-899,733.78-422,577.18

Finding the Fourth Proportional to 599,724.18, 899,733.78 and 422,577.18

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Solution

The fourth proportional to 599,724.18, 899,733.78 and 422,577.18 is: 633,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,724.18 : 899,733.78 = 422,577.18 : x
  2. Step 2: Convert to fraction form
    599,724.18/899,733.78 = 422,577.18/x
  3. Step 3: Cross multiply
    599,724.18x = 899,733.78 × 422,577.18
  4. Step 4: Simplify right side
    599,724.18x = 380,206,963,503.14
  5. Step 5: Solve for x
    x = 380,206,963,503.14/599,724.18
  6. Step 6: Final answer
    x = 633,969.71

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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.