Home / 980,472.48-1,470,793.47-270,500.55

Finding the Fourth Proportional to 980,472.48, 1,470,793.47 and 270,500.55

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Solution

The fourth proportional to 980,472.48, 1,470,793.47 and 270,500.55 is: 405,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,472.48 : 1,470,793.47 = 270,500.55 : x
  2. Step 2: Convert to fraction form
    980,472.48/1,470,793.47 = 270,500.55/x
  3. Step 3: Cross multiply
    980,472.48x = 1,470,793.47 × 270,500.55
  4. Step 4: Simplify right side
    980,472.48x = 397,850,442,571.41
  5. Step 5: Solve for x
    x = 397,850,442,571.41/980,472.48
  6. Step 6: Final answer
    x = 405,774.21

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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.