Home / 850,683.23-1,275,991.84-210,988.57

Finding the Fourth Proportional to 850,683.23, 1,275,991.84 and 210,988.57

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Solution

The fourth proportional to 850,683.23, 1,275,991.84 and 210,988.57 is: 316,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,683.23 : 1,275,991.84 = 210,988.57 : x
  2. Step 2: Convert to fraction form
    850,683.23/1,275,991.84 = 210,988.57/x
  3. Step 3: Cross multiply
    850,683.23x = 1,275,991.84 × 210,988.57
  4. Step 4: Simplify right side
    850,683.23x = 269,219,693,653.27
  5. Step 5: Solve for x
    x = 269,219,693,653.27/850,683.23
  6. Step 6: Final answer
    x = 316,474.67

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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.