Home / 813,450.25-1,220,277.43-244,742.77

Finding the Fourth Proportional to 813,450.25, 1,220,277.43 and 244,742.77

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Solution

The fourth proportional to 813,450.25, 1,220,277.43 and 244,742.77 is: 367,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,450.25 : 1,220,277.43 = 244,742.77 : x
  2. Step 2: Convert to fraction form
    813,450.25/1,220,277.43 = 244,742.77/x
  3. Step 3: Cross multiply
    813,450.25x = 1,220,277.43 × 244,742.77
  4. Step 4: Simplify right side
    813,450.25x = 298,654,071,977.22
  5. Step 5: Solve for x
    x = 298,654,071,977.22/813,450.25
  6. Step 6: Final answer
    x = 367,144.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.