Finding the Fourth Proportional to 876,703.08, 1,315,129.58 and 308,034.75
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Solution
The fourth proportional to 876,703.08, 1,315,129.58 and 308,034.75 is: 462,078.46
Step by Step Solution
- Step 1: Write the proportion equation
876,703.08 : 1,315,129.58 = 308,034.75 : x - Step 2: Convert to fraction form
876,703.08/1,315,129.58 = 308,034.75/x - Step 3: Cross multiply
876,703.08x = 1,315,129.58 × 308,034.75 - Step 4: Simplify right side
876,703.08x = 405,105,611,392.91 - Step 5: Solve for x
x = 405,105,611,392.91/876,703.08 - Step 6: Final answer
x = 462,078.46
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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.