Finding the Fourth Proportional to 721,109.68, 1,080,901.84 and 271,636.08
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Solution
The fourth proportional to 721,109.68, 1,080,901.84 and 271,636.08 is: 407,166.82
Step by Step Solution
- Step 1: Write the proportion equation
721,109.68 : 1,080,901.84 = 271,636.08 : x - Step 2: Convert to fraction form
721,109.68/1,080,901.84 = 271,636.08/x - Step 3: Cross multiply
721,109.68x = 1,080,901.84 × 271,636.08 - Step 4: Simplify right side
721,109.68x = 293,611,938,682.39 - Step 5: Solve for x
x = 293,611,938,682.39/721,109.68 - Step 6: Final answer
x = 407,166.82
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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.