Home / 774,583.53-1,162,072.41-455,005.62

Finding the Fourth Proportional to 774,583.53, 1,162,072.41 and 455,005.62

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Solution

The fourth proportional to 774,583.53, 1,162,072.41 and 455,005.62 is: 682,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,583.53 : 1,162,072.41 = 455,005.62 : x
  2. Step 2: Convert to fraction form
    774,583.53/1,162,072.41 = 455,005.62/x
  3. Step 3: Cross multiply
    774,583.53x = 1,162,072.41 × 455,005.62
  4. Step 4: Simplify right side
    774,583.53x = 528,749,477,396.94
  5. Step 5: Solve for x
    x = 528,749,477,396.94/774,583.53
  6. Step 6: Final answer
    x = 682,624.22

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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.