Finding the Fourth Proportional to 1,183,789.58, 1,775,688.14 and 330,855.64
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Solution
The fourth proportional to 1,183,789.58, 1,775,688.14 and 330,855.64 is: 496,284.51
Step by Step Solution
- Step 1: Write the proportion equation
1,183,789.58 : 1,775,688.14 = 330,855.64 : x - Step 2: Convert to fraction form
1,183,789.58/1,775,688.14 = 330,855.64/x - Step 3: Cross multiply
1,183,789.58x = 1,775,688.14 × 330,855.64 - Step 4: Simplify right side
1,183,789.58x = 587,496,432,388.03 - Step 5: Solve for x
x = 587,496,432,388.03/1,183,789.58 - Step 6: Final answer
x = 496,284.51
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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.