Home / 810,813.33-1,118,922.26-443,291.76

Finding the Fourth Proportional to 810,813.33, 1,118,922.26 and 443,291.76

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Solution

The fourth proportional to 810,813.33, 1,118,922.26 and 443,291.76 is: 611,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,813.33 : 1,118,922.26 = 443,291.76 : x
  2. Step 2: Convert to fraction form
    810,813.33/1,118,922.26 = 443,291.76/x
  3. Step 3: Cross multiply
    810,813.33x = 1,118,922.26 × 443,291.76
  4. Step 4: Simplify right side
    810,813.33x = 496,009,015,722.12
  5. Step 5: Solve for x
    x = 496,009,015,722.12/810,813.33
  6. Step 6: Final answer
    x = 611,742.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.