Finding the Fourth Proportional to 875,376.78, 1,312,572.66 and 276,226.26
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Solution
The fourth proportional to 875,376.78, 1,312,572.66 and 276,226.26 is: 414,183.98
Step by Step Solution
- Step 1: Write the proportion equation
875,376.78 : 1,312,572.66 = 276,226.26 : x - Step 2: Convert to fraction form
875,376.78/1,312,572.66 = 276,226.26/x - Step 3: Cross multiply
875,376.78x = 1,312,572.66 × 276,226.26 - Step 4: Simplify right side
875,376.78x = 362,567,036,850.05 - Step 5: Solve for x
x = 362,567,036,850.05/875,376.78 - Step 6: Final answer
x = 414,183.98
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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.