Finding the Fourth Proportional to 998,878.14, 1,378,114.52 and 568,853.80
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Solution
The fourth proportional to 998,878.14, 1,378,114.52 and 568,853.80 is: 784,826.14
Step by Step Solution
- Step 1: Write the proportion equation
998,878.14 : 1,378,114.52 = 568,853.80 : x - Step 2: Convert to fraction form
998,878.14/1,378,114.52 = 568,853.80/x - Step 3: Cross multiply
998,878.14x = 1,378,114.52 × 568,853.80 - Step 4: Simplify right side
998,878.14x = 783,945,679,514.02 - Step 5: Solve for x
x = 783,945,679,514.02/998,878.14 - Step 6: Final answer
x = 784,826.14
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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.