Finding the Fourth Proportional to 825,546.60, 1,238,492.70 and 264,637.80
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Solution
The fourth proportional to 825,546.60, 1,238,492.70 and 264,637.80 is: 397,012.09
Step by Step Solution
- Step 1: Write the proportion equation
825,546.60 : 1,238,492.70 = 264,637.80 : x - Step 2: Convert to fraction form
825,546.60/1,238,492.70 = 264,637.80/x - Step 3: Cross multiply
825,546.60x = 1,238,492.70 × 264,637.80 - Step 4: Simplify right side
825,546.60x = 327,751,983,444.06 - Step 5: Solve for x
x = 327,751,983,444.06/825,546.60 - Step 6: Final answer
x = 397,012.09
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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.