Home / 818,559.96-1,129,646.78-455,983.73

Finding the Fourth Proportional to 818,559.96, 1,129,646.78 and 455,983.73

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Solution

The fourth proportional to 818,559.96, 1,129,646.78 and 455,983.73 is: 629,276.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,559.96 : 1,129,646.78 = 455,983.73 : x
  2. Step 2: Convert to fraction form
    818,559.96/1,129,646.78 = 455,983.73/x
  3. Step 3: Cross multiply
    818,559.96x = 1,129,646.78 × 455,983.73
  4. Step 4: Simplify right side
    818,559.96x = 515,100,544,398.74
  5. Step 5: Solve for x
    x = 515,100,544,398.74/818,559.96
  6. Step 6: Final answer
    x = 629,276.50

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