Home / 673,680.35-1,010,520.56-538,109.67

Finding the Fourth Proportional to 673,680.35, 1,010,520.56 and 538,109.67

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Solution

The fourth proportional to 673,680.35, 1,010,520.56 and 538,109.67 is: 807,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,680.35 : 1,010,520.56 = 538,109.67 : x
  2. Step 2: Convert to fraction form
    673,680.35/1,010,520.56 = 538,109.67/x
  3. Step 3: Cross multiply
    673,680.35x = 1,010,520.56 × 538,109.67
  4. Step 4: Simplify right side
    673,680.35x = 543,770,882,379.27
  5. Step 5: Solve for x
    x = 543,770,882,379.27/673,680.35
  6. Step 6: Final answer
    x = 807,164.53

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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.