Finding the Fourth Proportional to 658,680.44, 908,967.12 and 372,194.36
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Solution
The fourth proportional to 658,680.44, 908,967.12 and 372,194.36 is: 513,621.50
Step by Step Solution
- Step 1: Write the proportion equation
658,680.44 : 908,967.12 = 372,194.36 : x - Step 2: Convert to fraction form
658,680.44/908,967.12 = 372,194.36/x - Step 3: Cross multiply
658,680.44x = 908,967.12 × 372,194.36 - Step 4: Simplify right side
658,680.44x = 338,312,435,489.44 - Step 5: Solve for x
x = 338,312,435,489.44/658,680.44 - Step 6: Final answer
x = 513,621.50
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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.