Home / 722,815.10-1,083,445.05-273,362.30

Finding the Fourth Proportional to 722,815.10, 1,083,445.05 and 273,362.30

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Solution

The fourth proportional to 722,815.10, 1,083,445.05 and 273,362.30 is: 409,749.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,815.10 : 1,083,445.05 = 273,362.30 : x
  2. Step 2: Convert to fraction form
    722,815.10/1,083,445.05 = 273,362.30/x
  3. Step 3: Cross multiply
    722,815.10x = 1,083,445.05 × 273,362.30
  4. Step 4: Simplify right side
    722,815.10x = 296,173,030,791.62
  5. Step 5: Solve for x
    x = 296,173,030,791.62/722,815.10
  6. Step 6: Final answer
    x = 409,749.37

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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.