Finding the Fourth Proportional to 641,585.17, 884,474.79 and 437,374.03
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Solution
The fourth proportional to 641,585.17, 884,474.79 and 437,374.03 is: 602,953.94
Step by Step Solution
- Step 1: Write the proportion equation
641,585.17 : 884,474.79 = 437,374.03 : x - Step 2: Convert to fraction form
641,585.17/884,474.79 = 437,374.03/x - Step 3: Cross multiply
641,585.17x = 884,474.79 × 437,374.03 - Step 4: Simplify right side
641,585.17x = 386,846,303,335.70 - Step 5: Solve for x
x = 386,846,303,335.70/641,585.17 - Step 6: Final answer
x = 602,953.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.