Finding the Fourth Proportional to 719,954.74, 1,079,994.13 and 187,476.74
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Solution
The fourth proportional to 719,954.74, 1,079,994.13 and 187,476.74 is: 281,231.26
Step by Step Solution
- Step 1: Write the proportion equation
719,954.74 : 1,079,994.13 = 187,476.74 : x - Step 2: Convert to fraction form
719,954.74/1,079,994.13 = 187,476.74/x - Step 3: Cross multiply
719,954.74x = 1,079,994.13 × 187,476.74 - Step 4: Simplify right side
719,954.74x = 202,473,776,892.85 - Step 5: Solve for x
x = 202,473,776,892.85/719,954.74 - Step 6: Final answer
x = 281,231.26
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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.