Finding the Fourth Proportional to 936,163.68, 1,291,902 and 506,442.80
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Solution
The fourth proportional to 936,163.68, 1,291,902 and 506,442.80 is: 698,888.97
Step by Step Solution
- Step 1: Write the proportion equation
936,163.68 : 1,291,902 = 506,442.80 : x - Step 2: Convert to fraction form
936,163.68/1,291,902 = 506,442.80/x - Step 3: Cross multiply
936,163.68x = 1,291,902 × 506,442.80 - Step 4: Simplify right side
936,163.68x = 654,274,466,205.60 - Step 5: Solve for x
x = 654,274,466,205.60/936,163.68 - Step 6: Final answer
x = 698,888.97
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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.