Home / 815,964.60-1,223,945.34-216,925.66

Finding the Fourth Proportional to 815,964.60, 1,223,945.34 and 216,925.66

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Solution

The fourth proportional to 815,964.60, 1,223,945.34 and 216,925.66 is: 325,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,964.60 : 1,223,945.34 = 216,925.66 : x
  2. Step 2: Convert to fraction form
    815,964.60/1,223,945.34 = 216,925.66/x
  3. Step 3: Cross multiply
    815,964.60x = 1,223,945.34 × 216,925.66
  4. Step 4: Simplify right side
    815,964.60x = 265,505,150,683.42
  5. Step 5: Solve for x
    x = 265,505,150,683.42/815,964.60
  6. Step 6: Final answer
    x = 325,388.08

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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.