Finding the Fourth Proportional to 647,754.44, 893,902.32 and 361,292.99
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Solution
The fourth proportional to 647,754.44, 893,902.32 and 361,292.99 is: 498,584.99
Step by Step Solution
- Step 1: Write the proportion equation
647,754.44 : 893,902.32 = 361,292.99 : x - Step 2: Convert to fraction form
647,754.44/893,902.32 = 361,292.99/x - Step 3: Cross multiply
647,754.44x = 893,902.32 × 361,292.99 - Step 4: Simplify right side
647,754.44x = 322,960,641,960.74 - Step 5: Solve for x
x = 322,960,641,960.74/647,754.44 - Step 6: Final answer
x = 498,584.99
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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.