Home / 948,405.21-1,422,250.75-308,541.56

Finding the Fourth Proportional to 948,405.21, 1,422,250.75 and 308,541.56

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Solution

The fourth proportional to 948,405.21, 1,422,250.75 and 308,541.56 is: 462,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,405.21 : 1,422,250.75 = 308,541.56 : x
  2. Step 2: Convert to fraction form
    948,405.21/1,422,250.75 = 308,541.56/x
  3. Step 3: Cross multiply
    948,405.21x = 1,422,250.75 × 308,541.56
  4. Step 4: Simplify right side
    948,405.21x = 438,823,458,390.59
  5. Step 5: Solve for x
    x = 438,823,458,390.59/948,405.21
  6. Step 6: Final answer
    x = 462,696.17

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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.