Home / 740,251.82-1,110,834.58-290,893.80

Finding the Fourth Proportional to 740,251.82, 1,110,834.58 and 290,893.80

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Solution

The fourth proportional to 740,251.82, 1,110,834.58 and 290,893.80 is: 436,520.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,251.82 : 1,110,834.58 = 290,893.80 : x
  2. Step 2: Convert to fraction form
    740,251.82/1,110,834.58 = 290,893.80/x
  3. Step 3: Cross multiply
    740,251.82x = 1,110,834.58 × 290,893.80
  4. Step 4: Simplify right side
    740,251.82x = 323,134,892,147.60
  5. Step 5: Solve for x
    x = 323,134,892,147.60/740,251.82
  6. Step 6: Final answer
    x = 436,520.23

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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.