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Finding the Fourth Proportional to 673,770.90, 1,010,802.15 and 200,504.10

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Solution

The fourth proportional to 673,770.90, 1,010,802.15 and 200,504.10 is: 300,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,770.90 : 1,010,802.15 = 200,504.10 : x
  2. Step 2: Convert to fraction form
    673,770.90/1,010,802.15 = 200,504.10/x
  3. Step 3: Cross multiply
    673,770.90x = 1,010,802.15 × 200,504.10
  4. Step 4: Simplify right side
    673,770.90x = 202,669,975,363.82
  5. Step 5: Solve for x
    x = 202,669,975,363.82/673,770.90
  6. Step 6: Final answer
    x = 300,799.54

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1.5x scale

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.