Home / 673,782.40-1,010,819.40-200,515.60

Finding the Fourth Proportional to 673,782.40, 1,010,819.40 and 200,515.60

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Solution

The fourth proportional to 673,782.40, 1,010,819.40 and 200,515.60 is: 300,816.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,782.40 : 1,010,819.40 = 200,515.60 : x
  2. Step 2: Convert to fraction form
    673,782.40/1,010,819.40 = 200,515.60/x
  3. Step 3: Cross multiply
    673,782.40x = 1,010,819.40 × 200,515.60
  4. Step 4: Simplify right side
    673,782.40x = 202,685,058,482.64
  5. Step 5: Solve for x
    x = 202,685,058,482.64/673,782.40
  6. Step 6: Final answer
    x = 300,816.79

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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.