Finding the Fourth Proportional to 998,817.16, 1,498,269.48 and 288,916.96
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Solution
The fourth proportional to 998,817.16, 1,498,269.48 and 288,916.96 is: 433,388.09
Step by Step Solution
- Step 1: Write the proportion equation
998,817.16 : 1,498,269.48 = 288,916.96 : x - Step 2: Convert to fraction form
998,817.16/1,498,269.48 = 288,916.96/x - Step 3: Cross multiply
998,817.16x = 1,498,269.48 × 288,916.96 - Step 4: Simplify right side
998,817.16x = 432,875,463,422.38 - Step 5: Solve for x
x = 432,875,463,422.38/998,817.16 - Step 6: Final answer
x = 433,388.09
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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.