Home / 786,999.26-1,180,366.83-218,438.12

Finding the Fourth Proportional to 786,999.26, 1,180,366.83 and 218,438.12

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Solution

The fourth proportional to 786,999.26, 1,180,366.83 and 218,438.12 is: 327,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,999.26 : 1,180,366.83 = 218,438.12 : x
  2. Step 2: Convert to fraction form
    786,999.26/1,180,366.83 = 218,438.12/x
  3. Step 3: Cross multiply
    786,999.26x = 1,180,366.83 × 218,438.12
  4. Step 4: Simplify right side
    786,999.26x = 257,837,110,163.37
  5. Step 5: Solve for x
    x = 257,837,110,163.37/786,999.26
  6. Step 6: Final answer
    x = 327,620.52

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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.