Home / 752,442.59-1,038,383.49-412,942.43

Finding the Fourth Proportional to 752,442.59, 1,038,383.49 and 412,942.43

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Solution

The fourth proportional to 752,442.59, 1,038,383.49 and 412,942.43 is: 569,867.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,442.59 : 1,038,383.49 = 412,942.43 : x
  2. Step 2: Convert to fraction form
    752,442.59/1,038,383.49 = 412,942.43/x
  3. Step 3: Cross multiply
    752,442.59x = 1,038,383.49 × 412,942.43
  4. Step 4: Simplify right side
    752,442.59x = 428,792,599,567.77
  5. Step 5: Solve for x
    x = 428,792,599,567.77/752,442.59
  6. Step 6: Final answer
    x = 569,867.53

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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.