Home / 783,249.84-1,080,883.44-477,327.60

Finding the Fourth Proportional to 783,249.84, 1,080,883.44 and 477,327.60

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Solution

The fourth proportional to 783,249.84, 1,080,883.44 and 477,327.60 is: 658,711.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,249.84 : 1,080,883.44 = 477,327.60 : x
  2. Step 2: Convert to fraction form
    783,249.84/1,080,883.44 = 477,327.60/x
  3. Step 3: Cross multiply
    783,249.84x = 1,080,883.44 × 477,327.60
  4. Step 4: Simplify right side
    783,249.84x = 515,935,498,294.94
  5. Step 5: Solve for x
    x = 515,935,498,294.94/783,249.84
  6. Step 6: Final answer
    x = 658,711.27

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1.5x scale

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.