Home / 909,231.60-1,363,797.96-278,145.41

Finding the Fourth Proportional to 909,231.60, 1,363,797.96 and 278,145.41

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Solution

The fourth proportional to 909,231.60, 1,363,797.96 and 278,145.41 is: 417,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,231.60 : 1,363,797.96 = 278,145.41 : x
  2. Step 2: Convert to fraction form
    909,231.60/1,363,797.96 = 278,145.41/x
  3. Step 3: Cross multiply
    909,231.60x = 1,363,797.96 × 278,145.41
  4. Step 4: Simplify right side
    909,231.60x = 379,334,135,922.37
  5. Step 5: Solve for x
    x = 379,334,135,922.37/909,231.60
  6. Step 6: Final answer
    x = 417,202.98

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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.