Finding the Fourth Proportional to 718,995.84, 1,078,519.68 and 269,671.20
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Solution
The fourth proportional to 718,995.84, 1,078,519.68 and 269,671.20 is: 404,516.52
Step by Step Solution
- Step 1: Write the proportion equation
718,995.84 : 1,078,519.68 = 269,671.20 : x - Step 2: Convert to fraction form
718,995.84/1,078,519.68 = 269,671.20/x - Step 3: Cross multiply
718,995.84x = 1,078,519.68 × 269,671.20 - Step 4: Simplify right side
718,995.84x = 290,845,696,329.22 - Step 5: Solve for x
x = 290,845,696,329.22/718,995.84 - Step 6: Final answer
x = 404,516.52
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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.