Home / 673,805.20-1,010,707.80-200,429.05

Finding the Fourth Proportional to 673,805.20, 1,010,707.80 and 200,429.05

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Solution

The fourth proportional to 673,805.20, 1,010,707.80 and 200,429.05 is: 300,643.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,805.20 : 1,010,707.80 = 200,429.05 : x
  2. Step 2: Convert to fraction form
    673,805.20/1,010,707.80 = 200,429.05/x
  3. Step 3: Cross multiply
    673,805.20x = 1,010,707.80 × 200,429.05
  4. Step 4: Simplify right side
    673,805.20x = 202,575,204,181.59
  5. Step 5: Solve for x
    x = 202,575,204,181.59/673,805.20
  6. Step 6: Final answer
    x = 300,643.58

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Similar ratio
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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.