Finding the Fourth Proportional to 756,731.76, 1,135,097.64 and 718,891.80
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Solution
The fourth proportional to 756,731.76, 1,135,097.64 and 718,891.80 is: 1,078,337.70
Step by Step Solution
- Step 1: Write the proportion equation
756,731.76 : 1,135,097.64 = 718,891.80 : x - Step 2: Convert to fraction form
756,731.76/1,135,097.64 = 718,891.80/x - Step 3: Cross multiply
756,731.76x = 1,135,097.64 × 718,891.80 - Step 4: Simplify right side
756,731.76x = 816,012,385,595.35 - Step 5: Solve for x
x = 816,012,385,595.35/756,731.76 - Step 6: Final answer
x = 1,078,337.70
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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.