Home / 784,982.75-1,083,262.41-440,821.44

Finding the Fourth Proportional to 784,982.75, 1,083,262.41 and 440,821.44

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Solution

The fourth proportional to 784,982.75, 1,083,262.41 and 440,821.44 is: 608,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,982.75 : 1,083,262.41 = 440,821.44 : x
  2. Step 2: Convert to fraction form
    784,982.75/1,083,262.41 = 440,821.44/x
  3. Step 3: Cross multiply
    784,982.75x = 1,083,262.41 × 440,821.44
  4. Step 4: Simplify right side
    784,982.75x = 477,525,295,474.07
  5. Step 5: Solve for x
    x = 477,525,295,474.07/784,982.75
  6. Step 6: Final answer
    x = 608,325.85

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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.