Home / 947,015.21-1,420,732.73-273,043.95

Finding the Fourth Proportional to 947,015.21, 1,420,732.73 and 273,043.95

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Solution

The fourth proportional to 947,015.21, 1,420,732.73 and 273,043.95 is: 409,626.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,015.21 : 1,420,732.73 = 273,043.95 : x
  2. Step 2: Convert to fraction form
    947,015.21/1,420,732.73 = 273,043.95/x
  3. Step 3: Cross multiply
    947,015.21x = 1,420,732.73 × 273,043.95
  4. Step 4: Simplify right side
    947,015.21x = 387,922,470,312.47
  5. Step 5: Solve for x
    x = 387,922,470,312.47/947,015.21
  6. Step 6: Final answer
    x = 409,626.44

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1.5x scale

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.