Finding the Fourth Proportional to 626,908.26, 865,354.14 and 372,257.64
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Solution
The fourth proportional to 626,908.26, 865,354.14 and 372,257.64 is: 513,846.62
Step by Step Solution
- Step 1: Write the proportion equation
626,908.26 : 865,354.14 = 372,257.64 : x - Step 2: Convert to fraction form
626,908.26/865,354.14 = 372,257.64/x - Step 3: Cross multiply
626,908.26x = 865,354.14 × 372,257.64 - Step 4: Simplify right side
626,908.26x = 322,134,689,920.63 - Step 5: Solve for x
x = 322,134,689,920.63/626,908.26 - Step 6: Final answer
x = 513,846.62
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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.