Home / 736,782.43-1,105,173.65-263,439.09

Finding the Fourth Proportional to 736,782.43, 1,105,173.65 and 263,439.09

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Solution

The fourth proportional to 736,782.43, 1,105,173.65 and 263,439.09 is: 395,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,782.43 : 1,105,173.65 = 263,439.09 : x
  2. Step 2: Convert to fraction form
    736,782.43/1,105,173.65 = 263,439.09/x
  3. Step 3: Cross multiply
    736,782.43x = 1,105,173.65 × 263,439.09
  4. Step 4: Simplify right side
    736,782.43x = 291,145,940,647.98
  5. Step 5: Solve for x
    x = 291,145,940,647.98/736,782.43
  6. Step 6: Final answer
    x = 395,158.64

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Double scale
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Similar ratio
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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.