Finding the Fourth Proportional to 849,838.80, 1,172,862.26 and 634,605.19
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Solution
The fourth proportional to 849,838.80, 1,172,862.26 and 634,605.19 is: 875,818.42
Step by Step Solution
- Step 1: Write the proportion equation
849,838.80 : 1,172,862.26 = 634,605.19 : x - Step 2: Convert to fraction form
849,838.80/1,172,862.26 = 634,605.19/x - Step 3: Cross multiply
849,838.80x = 1,172,862.26 × 634,605.19 - Step 4: Simplify right side
849,838.80x = 744,304,477,351.13 - Step 5: Solve for x
x = 744,304,477,351.13/849,838.80 - Step 6: Final answer
x = 875,818.42
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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.