Home / 654,608.40-982,399.32-486,520.08

Finding the Fourth Proportional to 654,608.40, 982,399.32 and 486,520.08

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Solution

The fourth proportional to 654,608.40, 982,399.32 and 486,520.08 is: 730,141.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,608.40 : 982,399.32 = 486,520.08 : x
  2. Step 2: Convert to fraction form
    654,608.40/982,399.32 = 486,520.08/x
  3. Step 3: Cross multiply
    654,608.40x = 982,399.32 × 486,520.08
  4. Step 4: Simplify right side
    654,608.40x = 477,956,995,758.35
  5. Step 5: Solve for x
    x = 477,956,995,758.35/654,608.40
  6. Step 6: Final answer
    x = 730,141.86

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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.