Finding the Fourth Proportional to 814,712.91, 1,125,236.93 and 536,553.54
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Solution
The fourth proportional to 814,712.91, 1,125,236.93 and 536,553.54 is: 741,058.42
Step by Step Solution
- Step 1: Write the proportion equation
814,712.91 : 1,125,236.93 = 536,553.54 : x - Step 2: Convert to fraction form
814,712.91/1,125,236.93 = 536,553.54/x - Step 3: Cross multiply
814,712.91x = 1,125,236.93 × 536,553.54 - Step 4: Simplify right side
814,712.91x = 603,749,862,844.55 - Step 5: Solve for x
x = 603,749,862,844.55/814,712.91 - Step 6: Final answer
x = 741,058.42
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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.