Home / 752,441.09-1,038,381.41-412,940.93

Finding the Fourth Proportional to 752,441.09, 1,038,381.41 and 412,940.93

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Solution

The fourth proportional to 752,441.09, 1,038,381.41 and 412,940.93 is: 569,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,441.09 : 1,038,381.41 = 412,940.93 : x
  2. Step 2: Convert to fraction form
    752,441.09/1,038,381.41 = 412,940.93/x
  3. Step 3: Cross multiply
    752,441.09x = 1,038,381.41 × 412,940.93
  4. Step 4: Simplify right side
    752,441.09x = 428,790,185,140.11
  5. Step 5: Solve for x
    x = 428,790,185,140.11/752,441.09
  6. Step 6: Final answer
    x = 569,865.46

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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.