Home / 927,432.20-1,391,242.26-320,141.36

Finding the Fourth Proportional to 927,432.20, 1,391,242.26 and 320,141.36

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Solution

The fourth proportional to 927,432.20, 1,391,242.26 and 320,141.36 is: 480,244.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,432.20 : 1,391,242.26 = 320,141.36 : x
  2. Step 2: Convert to fraction form
    927,432.20/1,391,242.26 = 320,141.36/x
  3. Step 3: Cross multiply
    927,432.20x = 1,391,242.26 × 320,141.36
  4. Step 4: Simplify right side
    927,432.20x = 445,394,189,205.87
  5. Step 5: Solve for x
    x = 445,394,189,205.87/927,432.20
  6. Step 6: Final answer
    x = 480,244.47

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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.