Home / 752,164.66-1,037,968.52-421,015.95

Finding the Fourth Proportional to 752,164.66, 1,037,968.52 and 421,015.95

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Solution

The fourth proportional to 752,164.66, 1,037,968.52 and 421,015.95 is: 580,991.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,164.66 : 1,037,968.52 = 421,015.95 : x
  2. Step 2: Convert to fraction form
    752,164.66/1,037,968.52 = 421,015.95/x
  3. Step 3: Cross multiply
    752,164.66x = 1,037,968.52 × 421,015.95
  4. Step 4: Simplify right side
    752,164.66x = 437,001,302,517.89
  5. Step 5: Solve for x
    x = 437,001,302,517.89/752,164.66
  6. Step 6: Final answer
    x = 580,991.54

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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.