Home / 748,090.20-1,122,626.34-274,779.48

Finding the Fourth Proportional to 748,090.20, 1,122,626.34 and 274,779.48

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Solution

The fourth proportional to 748,090.20, 1,122,626.34 and 274,779.48 is: 412,349.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,090.20 : 1,122,626.34 = 274,779.48 : x
  2. Step 2: Convert to fraction form
    748,090.20/1,122,626.34 = 274,779.48/x
  3. Step 3: Cross multiply
    748,090.20x = 1,122,626.34 × 274,779.48
  4. Step 4: Simplify right side
    748,090.20x = 308,474,681,939.50
  5. Step 5: Solve for x
    x = 308,474,681,939.50/748,090.20
  6. Step 6: Final answer
    x = 412,349.58

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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.