Finding the Fourth Proportional to 788,894.60, 1,183,341.90 and 290,193.80
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Solution
The fourth proportional to 788,894.60, 1,183,341.90 and 290,193.80 is: 435,290.70
Step by Step Solution
- Step 1: Write the proportion equation
788,894.60 : 1,183,341.90 = 290,193.80 : x - Step 2: Convert to fraction form
788,894.60/1,183,341.90 = 290,193.80/x - Step 3: Cross multiply
788,894.60x = 1,183,341.90 × 290,193.80 - Step 4: Simplify right side
788,894.60x = 343,398,482,660.22 - Step 5: Solve for x
x = 343,398,482,660.22/788,894.60 - Step 6: Final answer
x = 435,290.70
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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.