Finding the Fourth Proportional to 690,741.70, 953,252.97 and 384,817.92
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Solution
The fourth proportional to 690,741.70, 953,252.97 and 384,817.92 is: 531,065.12
Step by Step Solution
- Step 1: Write the proportion equation
690,741.70 : 953,252.97 = 384,817.92 : x - Step 2: Convert to fraction form
690,741.70/953,252.97 = 384,817.92/x - Step 3: Cross multiply
690,741.70x = 953,252.97 × 384,817.92 - Step 4: Simplify right side
690,741.70x = 366,828,825,149.22 - Step 5: Solve for x
x = 366,828,825,149.22/690,741.70 - Step 6: Final answer
x = 531,065.12
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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.