Home / 723,797.71-1,085,556.40-243,975.04

Finding the Fourth Proportional to 723,797.71, 1,085,556.40 and 243,975.04

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Solution

The fourth proportional to 723,797.71, 1,085,556.40 and 243,975.04 is: 365,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,797.71 : 1,085,556.40 = 243,975.04 : x
  2. Step 2: Convert to fraction form
    723,797.71/1,085,556.40 = 243,975.04/x
  3. Step 3: Cross multiply
    723,797.71x = 1,085,556.40 × 243,975.04
  4. Step 4: Simplify right side
    723,797.71x = 264,848,662,788.43
  5. Step 5: Solve for x
    x = 264,848,662,788.43/723,797.71
  6. Step 6: Final answer
    x = 365,915.31

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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.