Home / 952,732.88-1,428,012.12-383,749.60

Finding the Fourth Proportional to 952,732.88, 1,428,012.12 and 383,749.60

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Solution

The fourth proportional to 952,732.88, 1,428,012.12 and 383,749.60 is: 575,186.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,732.88 : 1,428,012.12 = 383,749.60 : x
  2. Step 2: Convert to fraction form
    952,732.88/1,428,012.12 = 383,749.60/x
  3. Step 3: Cross multiply
    952,732.88x = 1,428,012.12 × 383,749.60
  4. Step 4: Simplify right side
    952,732.88x = 547,999,079,845.15
  5. Step 5: Solve for x
    x = 547,999,079,845.15/952,732.88
  6. Step 6: Final answer
    x = 575,186.49

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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.