Finding the Fourth Proportional to 976,982.40, 1,465,473.60 and 658,117.80
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Solution
The fourth proportional to 976,982.40, 1,465,473.60 and 658,117.80 is: 987,176.70
Step by Step Solution
- Step 1: Write the proportion equation
976,982.40 : 1,465,473.60 = 658,117.80 : x - Step 2: Convert to fraction form
976,982.40/1,465,473.60 = 658,117.80/x - Step 3: Cross multiply
976,982.40x = 1,465,473.60 × 658,117.80 - Step 4: Simplify right side
976,982.40x = 964,454,261,590.08 - Step 5: Solve for x
x = 964,454,261,590.08/976,982.40 - Step 6: Final answer
x = 987,176.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.