Home / 952,070.94-1,428,111.27-320,990.22

Finding the Fourth Proportional to 952,070.94, 1,428,111.27 and 320,990.22

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Solution

The fourth proportional to 952,070.94, 1,428,111.27 and 320,990.22 is: 481,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,070.94 : 1,428,111.27 = 320,990.22 : x
  2. Step 2: Convert to fraction form
    952,070.94/1,428,111.27 = 320,990.22/x
  3. Step 3: Cross multiply
    952,070.94x = 1,428,111.27 × 320,990.22
  4. Step 4: Simplify right side
    952,070.94x = 458,409,750,741.78
  5. Step 5: Solve for x
    x = 458,409,750,741.78/952,070.94
  6. Step 6: Final answer
    x = 481,486.97

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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.