Finding the Fourth Proportional to 590,648.82, 815,098.71 and 336,000
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Solution
The fourth proportional to 590,648.82, 815,098.71 and 336,000 is: 463,681.90
Step by Step Solution
- Step 1: Write the proportion equation
590,648.82 : 815,098.71 = 336,000 : x - Step 2: Convert to fraction form
590,648.82/815,098.71 = 336,000/x - Step 3: Cross multiply
590,648.82x = 815,098.71 × 336,000 - Step 4: Simplify right side
590,648.82x = 273,873,166,560 - Step 5: Solve for x
x = 273,873,166,560/590,648.82 - Step 6: Final answer
x = 463,681.90
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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.