Home / 947,143.50-1,420,716.15-264,003.06

Finding the Fourth Proportional to 947,143.50, 1,420,716.15 and 264,003.06

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Solution

The fourth proportional to 947,143.50, 1,420,716.15 and 264,003.06 is: 396,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,143.50 : 1,420,716.15 = 264,003.06 : x
  2. Step 2: Convert to fraction form
    947,143.50/1,420,716.15 = 264,003.06/x
  3. Step 3: Cross multiply
    947,143.50x = 1,420,716.15 × 264,003.06
  4. Step 4: Simplify right side
    947,143.50x = 375,073,410,991.42
  5. Step 5: Solve for x
    x = 375,073,410,991.42/947,143.50
  6. Step 6: Final answer
    x = 396,004.84

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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.