Home / 804,444.72-1,206,651.42-324,659.76

Finding the Fourth Proportional to 804,444.72, 1,206,651.42 and 324,659.76

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Solution

The fourth proportional to 804,444.72, 1,206,651.42 and 324,659.76 is: 486,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,444.72 : 1,206,651.42 = 324,659.76 : x
  2. Step 2: Convert to fraction form
    804,444.72/1,206,651.42 = 324,659.76/x
  3. Step 3: Cross multiply
    804,444.72x = 1,206,651.42 × 324,659.76
  4. Step 4: Simplify right side
    804,444.72x = 391,751,160,420.86
  5. Step 5: Solve for x
    x = 391,751,160,420.86/804,444.72
  6. Step 6: Final answer
    x = 486,983.32

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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.