Home / 674,455.20-1,011,391.20-337,365.60

Finding the Fourth Proportional to 674,455.20, 1,011,391.20 and 337,365.60

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Solution

The fourth proportional to 674,455.20, 1,011,391.20 and 337,365.60 is: 505,902.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,455.20 : 1,011,391.20 = 337,365.60 : x
  2. Step 2: Convert to fraction form
    674,455.20/1,011,391.20 = 337,365.60/x
  3. Step 3: Cross multiply
    674,455.20x = 1,011,391.20 × 337,365.60
  4. Step 4: Simplify right side
    674,455.20x = 341,208,599,022.72
  5. Step 5: Solve for x
    x = 341,208,599,022.72/674,455.20
  6. Step 6: Final answer
    x = 505,902.54

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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.