Home / 818,549.00-1,129,447.67-455,963.84

Finding the Fourth Proportional to 818,549.00, 1,129,447.67 and 455,963.84

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Solution

The fourth proportional to 818,549.00, 1,129,447.67 and 455,963.84 is: 629,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,549.00 : 1,129,447.67 = 455,963.84 : x
  2. Step 2: Convert to fraction form
    818,549.00/1,129,447.67 = 455,963.84/x
  3. Step 3: Cross multiply
    818,549.00x = 1,129,447.67 × 455,963.84
  4. Step 4: Simplify right side
    818,549.00x = 514,987,288,765.20
  5. Step 5: Solve for x
    x = 514,987,288,765.20/818,549.00
  6. Step 6: Final answer
    x = 629,146.57

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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.