Finding the Fourth Proportional to 547,736.60, 755,862.54 and 306,020.99
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Solution
The fourth proportional to 547,736.60, 755,862.54 and 306,020.99 is: 422,301.16
Step by Step Solution
- Step 1: Write the proportion equation
547,736.60 : 755,862.54 = 306,020.99 : x - Step 2: Convert to fraction form
547,736.60/755,862.54 = 306,020.99/x - Step 3: Cross multiply
547,736.60x = 755,862.54 × 306,020.99 - Step 4: Simplify right side
547,736.60x = 231,309,799,015.40 - Step 5: Solve for x
x = 231,309,799,015.40/547,736.60 - Step 6: Final answer
x = 422,301.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.