Home / 734,766.40-1,102,570.08-285,429.04

Finding the Fourth Proportional to 734,766.40, 1,102,570.08 and 285,429.04

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Solution

The fourth proportional to 734,766.40, 1,102,570.08 and 285,429.04 is: 428,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,766.40 : 1,102,570.08 = 285,429.04 : x
  2. Step 2: Convert to fraction form
    734,766.40/1,102,570.08 = 285,429.04/x
  3. Step 3: Cross multiply
    734,766.40x = 1,102,570.08 × 285,429.04
  4. Step 4: Simplify right side
    734,766.40x = 314,705,519,467.12
  5. Step 5: Solve for x
    x = 314,705,519,467.12/734,766.40
  6. Step 6: Final answer
    x = 428,306.90

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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.