Finding the Fourth Proportional to 841,391.48, 1,161,115.64 and 459,415.53
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Solution
The fourth proportional to 841,391.48, 1,161,115.64 and 459,415.53 is: 633,990.92
Step by Step Solution
- Step 1: Write the proportion equation
841,391.48 : 1,161,115.64 = 459,415.53 : x - Step 2: Convert to fraction form
841,391.48/1,161,115.64 = 459,415.53/x - Step 3: Cross multiply
841,391.48x = 1,161,115.64 × 459,415.53 - Step 4: Simplify right side
841,391.48x = 533,434,557,141.89 - Step 5: Solve for x
x = 533,434,557,141.89/841,391.48 - Step 6: Final answer
x = 633,990.92
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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.