Finding the Fourth Proportional to 923,712.68, 1,274,360.82 and 536,462.18
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Solution
The fourth proportional to 923,712.68, 1,274,360.82 and 536,462.18 is: 740,107.18
Step by Step Solution
- Step 1: Write the proportion equation
923,712.68 : 1,274,360.82 = 536,462.18 : x - Step 2: Convert to fraction form
923,712.68/1,274,360.82 = 536,462.18/x - Step 3: Cross multiply
923,712.68x = 1,274,360.82 × 536,462.18 - Step 4: Simplify right side
923,712.68x = 683,646,383,603.79 - Step 5: Solve for x
x = 683,646,383,603.79/923,712.68 - Step 6: Final answer
x = 740,107.18
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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.