Finding the Fourth Proportional to 941,893.52, 1,303,235.88 and 821,286.12
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Solution
The fourth proportional to 941,893.52, 1,303,235.88 and 821,286.12 is: 1,136,359.38
Step by Step Solution
- Step 1: Write the proportion equation
941,893.52 : 1,303,235.88 = 821,286.12 : x - Step 2: Convert to fraction form
941,893.52/1,303,235.88 = 821,286.12/x - Step 3: Cross multiply
941,893.52x = 1,303,235.88 × 821,286.12 - Step 4: Simplify right side
941,893.52x = 1,070,329,539,329.99 - Step 5: Solve for x
x = 1,070,329,539,329.99/941,893.52 - Step 6: Final answer
x = 1,136,359.38
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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.