Home / 816,197.52-1,126,028.88-471,969.84

Finding the Fourth Proportional to 816,197.52, 1,126,028.88 and 471,969.84

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Solution

The fourth proportional to 816,197.52, 1,126,028.88 and 471,969.84 is: 651,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,197.52 : 1,126,028.88 = 471,969.84 : x
  2. Step 2: Convert to fraction form
    816,197.52/1,126,028.88 = 471,969.84/x
  3. Step 3: Cross multiply
    816,197.52x = 1,126,028.88 × 471,969.84
  4. Step 4: Simplify right side
    816,197.52x = 531,451,670,328.98
  5. Step 5: Solve for x
    x = 531,451,670,328.98/816,197.52
  6. Step 6: Final answer
    x = 651,131.20

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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.