Finding the Fourth Proportional to 998,881.35, 1,378,118.96 and 568,857.01
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Solution
The fourth proportional to 998,881.35, 1,378,118.96 and 568,857.01 is: 784,830.58
Step by Step Solution
- Step 1: Write the proportion equation
998,881.35 : 1,378,118.96 = 568,857.01 : x - Step 2: Convert to fraction form
998,881.35/1,378,118.96 = 568,857.01/x - Step 3: Cross multiply
998,881.35x = 1,378,118.96 × 568,857.01 - Step 4: Simplify right side
998,881.35x = 783,952,631,009.91 - Step 5: Solve for x
x = 783,952,631,009.91/998,881.35 - Step 6: Final answer
x = 784,830.58
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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.