Home / 909,045.87-1,363,589.57-269,337.60

Finding the Fourth Proportional to 909,045.87, 1,363,589.57 and 269,337.60

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Solution

The fourth proportional to 909,045.87, 1,363,589.57 and 269,337.60 is: 404,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,045.87 : 1,363,589.57 = 269,337.60 : x
  2. Step 2: Convert to fraction form
    909,045.87/1,363,589.57 = 269,337.60/x
  3. Step 3: Cross multiply
    909,045.87x = 1,363,589.57 × 269,337.60
  4. Step 4: Simplify right side
    909,045.87x = 367,265,942,168.83
  5. Step 5: Solve for x
    x = 367,265,942,168.83/909,045.87
  6. Step 6: Final answer
    x = 404,012.55

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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.