Home / 815,594.58-1,222,718.34-359,861.37

Finding the Fourth Proportional to 815,594.58, 1,222,718.34 and 359,861.37

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Solution

The fourth proportional to 815,594.58, 1,222,718.34 and 359,861.37 is: 539,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,594.58 : 1,222,718.34 = 359,861.37 : x
  2. Step 2: Convert to fraction form
    815,594.58/1,222,718.34 = 359,861.37/x
  3. Step 3: Cross multiply
    815,594.58x = 1,222,718.34 × 359,861.37
  4. Step 4: Simplify right side
    815,594.58x = 440,009,096,956.53
  5. Step 5: Solve for x
    x = 440,009,096,956.53/815,594.58
  6. Step 6: Final answer
    x = 539,494.88

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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.