Home / 947,150.37-1,420,714.76-273,209.45

Finding the Fourth Proportional to 947,150.37, 1,420,714.76 and 273,209.45

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Solution

The fourth proportional to 947,150.37, 1,420,714.76 and 273,209.45 is: 409,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,150.37 : 1,420,714.76 = 273,209.45 : x
  2. Step 2: Convert to fraction form
    947,150.37/1,420,714.76 = 273,209.45/x
  3. Step 3: Cross multiply
    947,150.37x = 1,420,714.76 × 273,209.45
  4. Step 4: Simplify right side
    947,150.37x = 388,152,689,716.86
  5. Step 5: Solve for x
    x = 388,152,689,716.86/947,150.37
  6. Step 6: Final answer
    x = 409,811.05

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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.