Finding the Fourth Proportional to 660,827.13, 991,569.96 and 261,755.52
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Solution
The fourth proportional to 660,827.13, 991,569.96 and 261,755.52 is: 392,763.70
Step by Step Solution
- Step 1: Write the proportion equation
660,827.13 : 991,569.96 = 261,755.52 : x - Step 2: Convert to fraction form
660,827.13/991,569.96 = 261,755.52/x - Step 3: Cross multiply
660,827.13x = 991,569.96 × 261,755.52 - Step 4: Simplify right side
660,827.13x = 259,548,910,496.18 - Step 5: Solve for x
x = 259,548,910,496.18/660,827.13 - Step 6: Final answer
x = 392,763.70
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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.