Home / 1,090,272.80-1,635,409.20-332,112.80

Finding the Fourth Proportional to 1,090,272.80, 1,635,409.20 and 332,112.80

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Solution

The fourth proportional to 1,090,272.80, 1,635,409.20 and 332,112.80 is: 498,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,272.80 : 1,635,409.20 = 332,112.80 : x
  2. Step 2: Convert to fraction form
    1,090,272.80/1,635,409.20 = 332,112.80/x
  3. Step 3: Cross multiply
    1,090,272.80x = 1,635,409.20 × 332,112.80
  4. Step 4: Simplify right side
    1,090,272.80x = 543,140,328,557.76
  5. Step 5: Solve for x
    x = 543,140,328,557.76/1,090,272.80
  6. Step 6: Final answer
    x = 498,169.20

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Half scale
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Double scale
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Similar ratio
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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.