Home / 646,738.20-970,544.70-362,428.20

Finding the Fourth Proportional to 646,738.20, 970,544.70 and 362,428.20

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Solution

The fourth proportional to 646,738.20, 970,544.70 and 362,428.20 is: 543,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,738.20 : 970,544.70 = 362,428.20 : x
  2. Step 2: Convert to fraction form
    646,738.20/970,544.70 = 362,428.20/x
  3. Step 3: Cross multiply
    646,738.20x = 970,544.70 × 362,428.20
  4. Step 4: Simplify right side
    646,738.20x = 351,752,768,640.54
  5. Step 5: Solve for x
    x = 351,752,768,640.54/646,738.20
  6. Step 6: Final answer
    x = 543,887.42

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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.