Finding the Fourth Proportional to 715,072.24, 986,956.88 and 494,619.68
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Solution
The fourth proportional to 715,072.24, 986,956.88 and 494,619.68 is: 682,683.89
Step by Step Solution
- Step 1: Write the proportion equation
715,072.24 : 986,956.88 = 494,619.68 : x - Step 2: Convert to fraction form
715,072.24/986,956.88 = 494,619.68/x - Step 3: Cross multiply
715,072.24x = 986,956.88 × 494,619.68 - Step 4: Simplify right side
715,072.24x = 488,168,296,159.40 - Step 5: Solve for x
x = 488,168,296,159.40/715,072.24 - Step 6: Final answer
x = 682,683.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.