Home / 746,219.60-1,118,999.16-213,619.28

Finding the Fourth Proportional to 746,219.60, 1,118,999.16 and 213,619.28

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Solution

The fourth proportional to 746,219.60, 1,118,999.16 and 213,619.28 is: 320,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,219.60 : 1,118,999.16 = 213,619.28 : x
  2. Step 2: Convert to fraction form
    746,219.60/1,118,999.16 = 213,619.28/x
  3. Step 3: Cross multiply
    746,219.60x = 1,118,999.16 × 213,619.28
  4. Step 4: Simplify right side
    746,219.60x = 239,039,794,879.81
  5. Step 5: Solve for x
    x = 239,039,794,879.81/746,219.60
  6. Step 6: Final answer
    x = 320,334.38

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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.