Finding the Fourth Proportional to 918,897.96, 1,267,893.33 and 536,850.96
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Solution
The fourth proportional to 918,897.96, 1,267,893.33 and 536,850.96 is: 740,745.74
Step by Step Solution
- Step 1: Write the proportion equation
918,897.96 : 1,267,893.33 = 536,850.96 : x - Step 2: Convert to fraction form
918,897.96/1,267,893.33 = 536,850.96/x - Step 3: Cross multiply
918,897.96x = 1,267,893.33 × 536,850.96 - Step 4: Simplify right side
918,897.96x = 680,669,751,388.10 - Step 5: Solve for x
x = 680,669,751,388.10/918,897.96 - Step 6: Final answer
x = 740,745.74
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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.