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Finding the Fourth Proportional to 894,010.80, 1,340,886.60 and 262,858.80

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Solution

The fourth proportional to 894,010.80, 1,340,886.60 and 262,858.80 is: 394,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,010.80 : 1,340,886.60 = 262,858.80 : x
  2. Step 2: Convert to fraction form
    894,010.80/1,340,886.60 = 262,858.80/x
  3. Step 3: Cross multiply
    894,010.80x = 1,340,886.60 × 262,858.80
  4. Step 4: Simplify right side
    894,010.80x = 352,463,842,612.08
  5. Step 5: Solve for x
    x = 352,463,842,612.08/894,010.80
  6. Step 6: Final answer
    x = 394,250.09

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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.