Home / 727,469.39-1,003,730.70-479,085.70

Finding the Fourth Proportional to 727,469.39, 1,003,730.70 and 479,085.70

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Solution

The fourth proportional to 727,469.39, 1,003,730.70 and 479,085.70 is: 661,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,469.39 : 1,003,730.70 = 479,085.70 : x
  2. Step 2: Convert to fraction form
    727,469.39/1,003,730.70 = 479,085.70/x
  3. Step 3: Cross multiply
    727,469.39x = 1,003,730.70 × 479,085.70
  4. Step 4: Simplify right side
    727,469.39x = 480,873,022,625.56
  5. Step 5: Solve for x
    x = 480,873,022,625.56/727,469.39
  6. Step 6: Final answer
    x = 661,021.66

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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.