Finding the Fourth Proportional to 947,044.49, 1,306,899.92 and 517,326.53
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Solution
The fourth proportional to 947,044.49, 1,306,899.92 and 517,326.53 is: 713,898.88
Step by Step Solution
- Step 1: Write the proportion equation
947,044.49 : 1,306,899.92 = 517,326.53 : x - Step 2: Convert to fraction form
947,044.49/1,306,899.92 = 517,326.53/x - Step 3: Cross multiply
947,044.49x = 1,306,899.92 × 517,326.53 - Step 4: Simplify right side
947,044.49x = 676,093,998,084.25 - Step 5: Solve for x
x = 676,093,998,084.25/947,044.49 - Step 6: Final answer
x = 713,898.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.