Finding the Fourth Proportional to 998,805.63, 1,498,252.19 and 288,905.43
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Solution
The fourth proportional to 998,805.63, 1,498,252.19 and 288,905.43 is: 433,370.80
Step by Step Solution
- Step 1: Write the proportion equation
998,805.63 : 1,498,252.19 = 288,905.43 : x - Step 2: Convert to fraction form
998,805.63/1,498,252.19 = 288,905.43/x - Step 3: Cross multiply
998,805.63x = 1,498,252.19 × 288,905.43 - Step 4: Simplify right side
998,805.63x = 432,853,191,755.87 - Step 5: Solve for x
x = 432,853,191,755.87/998,805.63 - Step 6: Final answer
x = 433,370.80
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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.