Finding the Fourth Proportional to 791,691.40, 1,187,537.10 and 192,647.80
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Solution
The fourth proportional to 791,691.40, 1,187,537.10 and 192,647.80 is: 288,971.70
Step by Step Solution
- Step 1: Write the proportion equation
791,691.40 : 1,187,537.10 = 192,647.80 : x - Step 2: Convert to fraction form
791,691.40/1,187,537.10 = 192,647.80/x - Step 3: Cross multiply
791,691.40x = 1,187,537.10 × 192,647.80 - Step 4: Simplify right side
791,691.40x = 228,776,409,733.38 - Step 5: Solve for x
x = 228,776,409,733.38/791,691.40 - Step 6: Final answer
x = 288,971.70
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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.