Home / 905,516.80-1,357,929.60-274,220.80

Finding the Fourth Proportional to 905,516.80, 1,357,929.60 and 274,220.80

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Solution

The fourth proportional to 905,516.80, 1,357,929.60 and 274,220.80 is: 411,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,516.80 : 1,357,929.60 = 274,220.80 : x
  2. Step 2: Convert to fraction form
    905,516.80/1,357,929.60 = 274,220.80/x
  3. Step 3: Cross multiply
    905,516.80x = 1,357,929.60 × 274,220.80
  4. Step 4: Simplify right side
    905,516.80x = 372,372,541,255.68
  5. Step 5: Solve for x
    x = 372,372,541,255.68/905,516.80
  6. Step 6: Final answer
    x = 411,226.54

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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.