Finding the Fourth Proportional to 936,541.53, 1,292,427.23 and 506,821.68
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Solution
The fourth proportional to 936,541.53, 1,292,427.23 and 506,821.68 is: 699,413.87
Step by Step Solution
- Step 1: Write the proportion equation
936,541.53 : 1,292,427.23 = 506,821.68 : x - Step 2: Convert to fraction form
936,541.53/1,292,427.23 = 506,821.68/x - Step 3: Cross multiply
936,541.53x = 1,292,427.23 × 506,821.68 - Step 4: Simplify right side
936,541.53x = 655,030,137,452.24 - Step 5: Solve for x
x = 655,030,137,452.24/936,541.53 - Step 6: Final answer
x = 699,413.87
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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.