Home / 952,039.40-1,427,062.80-320,735.12

Finding the Fourth Proportional to 952,039.40, 1,427,062.80 and 320,735.12

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Solution

The fourth proportional to 952,039.40, 1,427,062.80 and 320,735.12 is: 480,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,039.40 : 1,427,062.80 = 320,735.12 : x
  2. Step 2: Convert to fraction form
    952,039.40/1,427,062.80 = 320,735.12/x
  3. Step 3: Cross multiply
    952,039.40x = 1,427,062.80 × 320,735.12
  4. Step 4: Simplify right side
    952,039.40x = 457,709,158,405.54
  5. Step 5: Solve for x
    x = 457,709,158,405.54/952,039.40
  6. Step 6: Final answer
    x = 480,767.03

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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.