Finding the Fourth Proportional to 875,855.63, 1,208,680.99 and 493,882.52
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Solution
The fourth proportional to 875,855.63, 1,208,680.99 and 493,882.52 is: 681,557.99
Step by Step Solution
- Step 1: Write the proportion equation
875,855.63 : 1,208,680.99 = 493,882.52 : x - Step 2: Convert to fraction form
875,855.63/1,208,680.99 = 493,882.52/x - Step 3: Cross multiply
875,855.63x = 1,208,680.99 × 493,882.52 - Step 4: Simplify right side
875,855.63x = 596,946,405,939.18 - Step 5: Solve for x
x = 596,946,405,939.18/875,855.63 - Step 6: Final answer
x = 681,557.99
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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.