Home / 859,564.94-1,289,042.31-252,183.74

Finding the Fourth Proportional to 859,564.94, 1,289,042.31 and 252,183.74

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Solution

The fourth proportional to 859,564.94, 1,289,042.31 and 252,183.74 is: 378,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,564.94 : 1,289,042.31 = 252,183.74 : x
  2. Step 2: Convert to fraction form
    859,564.94/1,289,042.31 = 252,183.74/x
  3. Step 3: Cross multiply
    859,564.94x = 1,289,042.31 × 252,183.74
  4. Step 4: Simplify right side
    859,564.94x = 325,075,510,754.04
  5. Step 5: Solve for x
    x = 325,075,510,754.04/859,564.94
  6. Step 6: Final answer
    x = 378,186.10

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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.