Home / 815,458.35-1,223,092.44-216,466.05

Finding the Fourth Proportional to 815,458.35, 1,223,092.44 and 216,466.05

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Solution

The fourth proportional to 815,458.35, 1,223,092.44 and 216,466.05 is: 324,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,458.35 : 1,223,092.44 = 216,466.05 : x
  2. Step 2: Convert to fraction form
    815,458.35/1,223,092.44 = 216,466.05/x
  3. Step 3: Cross multiply
    815,458.35x = 1,223,092.44 × 216,466.05
  4. Step 4: Simplify right side
    815,458.35x = 264,757,989,271.66
  5. Step 5: Solve for x
    x = 264,757,989,271.66/815,458.35
  6. Step 6: Final answer
    x = 324,673.83

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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.