Home / 752,442.34-1,038,383.14-412,942.18

Finding the Fourth Proportional to 752,442.34, 1,038,383.14 and 412,942.18

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Solution

The fourth proportional to 752,442.34, 1,038,383.14 and 412,942.18 is: 569,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,442.34 : 1,038,383.14 = 412,942.18 : x
  2. Step 2: Convert to fraction form
    752,442.34/1,038,383.14 = 412,942.18/x
  3. Step 3: Cross multiply
    752,442.34x = 1,038,383.14 × 412,942.18
  4. Step 4: Simplify right side
    752,442.34x = 428,792,197,506.85
  5. Step 5: Solve for x
    x = 428,792,197,506.85/752,442.34
  6. Step 6: Final answer
    x = 569,867.18

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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.