Finding the Fourth Proportional to 743,463.26, 1,115,755.71 and 344,384.02
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Solution
The fourth proportional to 743,463.26, 1,115,755.71 and 344,384.02 is: 516,835.81
Step by Step Solution
- Step 1: Write the proportion equation
743,463.26 : 1,115,755.71 = 344,384.02 : x - Step 2: Convert to fraction form
743,463.26/1,115,755.71 = 344,384.02/x - Step 3: Cross multiply
743,463.26x = 1,115,755.71 × 344,384.02 - Step 4: Simplify right side
743,463.26x = 384,248,436,747.75 - Step 5: Solve for x
x = 384,248,436,747.75/743,463.26 - Step 6: Final answer
x = 516,835.81
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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.