Home / 810,249.84-1,118,138.22-447,672.60

Finding the Fourth Proportional to 810,249.84, 1,118,138.22 and 447,672.60

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Solution

The fourth proportional to 810,249.84, 1,118,138.22 and 447,672.60 is: 617,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,249.84 : 1,118,138.22 = 447,672.60 : x
  2. Step 2: Convert to fraction form
    810,249.84/1,118,138.22 = 447,672.60/x
  3. Step 3: Cross multiply
    810,249.84x = 1,118,138.22 × 447,672.60
  4. Step 4: Simplify right side
    810,249.84x = 500,559,844,106.77
  5. Step 5: Solve for x
    x = 500,559,844,106.77/810,249.84
  6. Step 6: Final answer
    x = 617,784.56

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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.