Home / 442,719.19-610,949.67-251,732.60

Finding the Fourth Proportional to 442,719.19, 610,949.67 and 251,732.60

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Solution

The fourth proportional to 442,719.19, 610,949.67 and 251,732.60 is: 347,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,719.19 : 610,949.67 = 251,732.60 : x
  2. Step 2: Convert to fraction form
    442,719.19/610,949.67 = 251,732.60/x
  3. Step 3: Cross multiply
    442,719.19x = 610,949.67 × 251,732.60
  4. Step 4: Simplify right side
    442,719.19x = 153,795,947,190.56
  5. Step 5: Solve for x
    x = 153,795,947,190.56/442,719.19
  6. Step 6: Final answer
    x = 347,389.38

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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.