Home / 727,550.91-1,003,659.26-486,157.14

Finding the Fourth Proportional to 727,550.91, 1,003,659.26 and 486,157.14

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Solution

The fourth proportional to 727,550.91, 1,003,659.26 and 486,157.14 is: 670,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,550.91 : 1,003,659.26 = 486,157.14 : x
  2. Step 2: Convert to fraction form
    727,550.91/1,003,659.26 = 486,157.14/x
  3. Step 3: Cross multiply
    727,550.91x = 1,003,659.26 × 486,157.14
  4. Step 4: Simplify right side
    727,550.91x = 487,936,112,945.33
  5. Step 5: Solve for x
    x = 487,936,112,945.33/727,550.91
  6. Step 6: Final answer
    x = 670,655.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.