Finding the Fourth Proportional to 791,859.29, 1,187,538.84 and 259,257.96
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Solution
The fourth proportional to 791,859.29, 1,187,538.84 and 259,257.96 is: 388,805.06
Step by Step Solution
- Step 1: Write the proportion equation
791,859.29 : 1,187,538.84 = 259,257.96 : x - Step 2: Convert to fraction form
791,859.29/1,187,538.84 = 259,257.96/x - Step 3: Cross multiply
791,859.29x = 1,187,538.84 × 259,257.96 - Step 4: Simplify right side
791,859.29x = 307,878,897,079.17 - Step 5: Solve for x
x = 307,878,897,079.17/791,859.29 - Step 6: Final answer
x = 388,805.06
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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.