Home / 918,950.70-1,378,491.87-245,028.47

Finding the Fourth Proportional to 918,950.70, 1,378,491.87 and 245,028.47

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Solution

The fourth proportional to 918,950.70, 1,378,491.87 and 245,028.47 is: 367,560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,950.70 : 1,378,491.87 = 245,028.47 : x
  2. Step 2: Convert to fraction form
    918,950.70/1,378,491.87 = 245,028.47/x
  3. Step 3: Cross multiply
    918,950.70x = 1,378,491.87 × 245,028.47
  4. Step 4: Simplify right side
    918,950.70x = 337,769,753,813.54
  5. Step 5: Solve for x
    x = 337,769,753,813.54/918,950.70
  6. Step 6: Final answer
    x = 367,560.26

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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.