Home / 868,453.44-1,302,762.72-269,421.12

Finding the Fourth Proportional to 868,453.44, 1,302,762.72 and 269,421.12

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Solution

The fourth proportional to 868,453.44, 1,302,762.72 and 269,421.12 is: 404,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,453.44 : 1,302,762.72 = 269,421.12 : x
  2. Step 2: Convert to fraction form
    868,453.44/1,302,762.72 = 269,421.12/x
  3. Step 3: Cross multiply
    868,453.44x = 1,302,762.72 × 269,421.12
  4. Step 4: Simplify right side
    868,453.44x = 350,991,791,116.65
  5. Step 5: Solve for x
    x = 350,991,791,116.65/868,453.44
  6. Step 6: Final answer
    x = 404,157.29

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Double scale
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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.