Finding the Fourth Proportional to 875,193.93, 1,207,750.91 and 493,213.05
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Solution
The fourth proportional to 875,193.93, 1,207,750.91 and 493,213.05 is: 680,624.59
Step by Step Solution
- Step 1: Write the proportion equation
875,193.93 : 1,207,750.91 = 493,213.05 : x - Step 2: Convert to fraction form
875,193.93/1,207,750.91 = 493,213.05/x - Step 3: Cross multiply
875,193.93x = 1,207,750.91 × 493,213.05 - Step 4: Simplify right side
875,193.93x = 595,678,507,495.31 - Step 5: Solve for x
x = 595,678,507,495.31/875,193.93 - Step 6: Final answer
x = 680,624.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.