Home / 673,803.70-1,010,705.55-200,427.55

Finding the Fourth Proportional to 673,803.70, 1,010,705.55 and 200,427.55

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Solution

The fourth proportional to 673,803.70, 1,010,705.55 and 200,427.55 is: 300,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,803.70 : 1,010,705.55 = 200,427.55 : x
  2. Step 2: Convert to fraction form
    673,803.70/1,010,705.55 = 200,427.55/x
  3. Step 3: Cross multiply
    673,803.70x = 1,010,705.55 × 200,427.55
  4. Step 4: Simplify right side
    673,803.70x = 202,573,237,157.90
  5. Step 5: Solve for x
    x = 202,573,237,157.90/673,803.70
  6. Step 6: Final answer
    x = 300,641.33

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Double scale
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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.