Finding the Fourth Proportional to 658,630.08, 908,897.70 and 372,144.03
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Solution
The fourth proportional to 658,630.08, 908,897.70 and 372,144.03 is: 513,552.09
Step by Step Solution
- Step 1: Write the proportion equation
658,630.08 : 908,897.70 = 372,144.03 : x - Step 2: Convert to fraction form
658,630.08/908,897.70 = 372,144.03/x - Step 3: Cross multiply
658,630.08x = 908,897.70 × 372,144.03 - Step 4: Simplify right side
658,630.08x = 338,240,852,935.73 - Step 5: Solve for x
x = 338,240,852,935.73/658,630.08 - Step 6: Final answer
x = 513,552.09
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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.