Home / 815,415.54-1,222,640.34-246,624.23

Finding the Fourth Proportional to 815,415.54, 1,222,640.34 and 246,624.23

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Solution

The fourth proportional to 815,415.54, 1,222,640.34 and 246,624.23 is: 369,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,415.54 : 1,222,640.34 = 246,624.23 : x
  2. Step 2: Convert to fraction form
    815,415.54/1,222,640.34 = 246,624.23/x
  3. Step 3: Cross multiply
    815,415.54x = 1,222,640.34 × 246,624.23
  4. Step 4: Simplify right side
    815,415.54x = 301,532,726,306.24
  5. Step 5: Solve for x
    x = 301,532,726,306.24/815,415.54
  6. Step 6: Final answer
    x = 369,790.26

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1.5x scale

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.