Home / 840,025.58-1,260,035.97-208,939.39

Finding the Fourth Proportional to 840,025.58, 1,260,035.97 and 208,939.39

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Solution

The fourth proportional to 840,025.58, 1,260,035.97 and 208,939.39 is: 313,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,025.58 : 1,260,035.97 = 208,939.39 : x
  2. Step 2: Convert to fraction form
    840,025.58/1,260,035.97 = 208,939.39/x
  3. Step 3: Cross multiply
    840,025.58x = 1,260,035.97 × 208,939.39
  4. Step 4: Simplify right side
    840,025.58x = 263,271,146,949.86
  5. Step 5: Solve for x
    x = 263,271,146,949.86/840,025.58
  6. Step 6: Final answer
    x = 313,408.49

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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.