Home / 787,059.22-1,086,136.65-447,527.44

Finding the Fourth Proportional to 787,059.22, 1,086,136.65 and 447,527.44

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Solution

The fourth proportional to 787,059.22, 1,086,136.65 and 447,527.44 is: 617,584.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,059.22 : 1,086,136.65 = 447,527.44 : x
  2. Step 2: Convert to fraction form
    787,059.22/1,086,136.65 = 447,527.44/x
  3. Step 3: Cross multiply
    787,059.22x = 1,086,136.65 × 447,527.44
  4. Step 4: Simplify right side
    787,059.22x = 486,075,954,464.68
  5. Step 5: Solve for x
    x = 486,075,954,464.68/787,059.22
  6. Step 6: Final answer
    x = 617,584.98

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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.