Home / 673,487.40-1,010,376.90-200,220.60

Finding the Fourth Proportional to 673,487.40, 1,010,376.90 and 200,220.60

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Solution

The fourth proportional to 673,487.40, 1,010,376.90 and 200,220.60 is: 300,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,487.40 : 1,010,376.90 = 200,220.60 : x
  2. Step 2: Convert to fraction form
    673,487.40/1,010,376.90 = 200,220.60/x
  3. Step 3: Cross multiply
    673,487.40x = 1,010,376.90 × 200,220.60
  4. Step 4: Simplify right side
    673,487.40x = 202,298,269,144.14
  5. Step 5: Solve for x
    x = 202,298,269,144.14/673,487.40
  6. Step 6: Final answer
    x = 300,374.24

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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.