Home / 734,855.84-1,102,000.37-285,517.56

Finding the Fourth Proportional to 734,855.84, 1,102,000.37 and 285,517.56

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Solution

The fourth proportional to 734,855.84, 1,102,000.37 and 285,517.56 is: 428,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,855.84 : 1,102,000.37 = 285,517.56 : x
  2. Step 2: Convert to fraction form
    734,855.84/1,102,000.37 = 285,517.56/x
  3. Step 3: Cross multiply
    734,855.84x = 1,102,000.37 × 285,517.56
  4. Step 4: Simplify right side
    734,855.84x = 314,640,454,070.68
  5. Step 5: Solve for x
    x = 314,640,454,070.68/734,855.84
  6. Step 6: Final answer
    x = 428,166.23

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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.