Finding the Fourth Proportional to 914,356.24, 1,261,832.08 and 521,881.38
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Solution
The fourth proportional to 914,356.24, 1,261,832.08 and 521,881.38 is: 720,207.99
Step by Step Solution
- Step 1: Write the proportion equation
914,356.24 : 1,261,832.08 = 521,881.38 : x - Step 2: Convert to fraction form
914,356.24/1,261,832.08 = 521,881.38/x - Step 3: Cross multiply
914,356.24x = 1,261,832.08 × 521,881.38 - Step 4: Simplify right side
914,356.24x = 658,526,667,238.67 - Step 5: Solve for x
x = 658,526,667,238.67/914,356.24 - Step 6: Final answer
x = 720,207.99
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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.