Home / 757,908.40-1,137,020.55-252,626.35

Finding the Fourth Proportional to 757,908.40, 1,137,020.55 and 252,626.35

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Solution

The fourth proportional to 757,908.40, 1,137,020.55 and 252,626.35 is: 378,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,908.40 : 1,137,020.55 = 252,626.35 : x
  2. Step 2: Convert to fraction form
    757,908.40/1,137,020.55 = 252,626.35/x
  3. Step 3: Cross multiply
    757,908.40x = 1,137,020.55 × 252,626.35
  4. Step 4: Simplify right side
    757,908.40x = 287,241,351,421.49
  5. Step 5: Solve for x
    x = 287,241,351,421.49/757,908.40
  6. Step 6: Final answer
    x = 378,992.17

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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.