Finding the Fourth Proportional to 754,817.19, 1,132,392.11 and 328,419.96
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Solution
The fourth proportional to 754,817.19, 1,132,392.11 and 328,419.96 is: 492,702.31
Step by Step Solution
- Step 1: Write the proportion equation
754,817.19 : 1,132,392.11 = 328,419.96 : x - Step 2: Convert to fraction form
754,817.19/1,132,392.11 = 328,419.96/x - Step 3: Cross multiply
754,817.19x = 1,132,392.11 × 328,419.96 - Step 4: Simplify right side
754,817.19x = 371,900,171,470.52 - Step 5: Solve for x
x = 371,900,171,470.52/754,817.19 - Step 6: Final answer
x = 492,702.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.