Finding the Fourth Proportional to 993,043.67, 1,367,789.82 and 763,161.08
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Solution
The fourth proportional to 993,043.67, 1,367,789.82 and 763,161.08 is: 1,051,156.15
Step by Step Solution
- Step 1: Write the proportion equation
993,043.67 : 1,367,789.82 = 763,161.08 : x - Step 2: Convert to fraction form
993,043.67/1,367,789.82 = 763,161.08/x - Step 3: Cross multiply
993,043.67x = 1,367,789.82 × 763,161.08 - Step 4: Simplify right side
993,043.67x = 1,043,843,956,244.21 - Step 5: Solve for x
x = 1,043,843,956,244.21/993,043.67 - Step 6: Final answer
x = 1,051,156.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.