Finding the Fourth Proportional to 1,117,513.34, 1,676,286.06 and 318,794.97
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Solution
The fourth proportional to 1,117,513.34, 1,676,286.06 and 318,794.97 is: 478,197.03
Step by Step Solution
- Step 1: Write the proportion equation
1,117,513.34 : 1,676,286.06 = 318,794.97 : x - Step 2: Convert to fraction form
1,117,513.34/1,676,286.06 = 318,794.97/x - Step 3: Cross multiply
1,117,513.34x = 1,676,286.06 × 318,794.97 - Step 4: Simplify right side
1,117,513.34x = 534,391,557,845.88 - Step 5: Solve for x
x = 534,391,557,845.88/1,117,513.34 - Step 6: Final answer
x = 478,197.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.