Finding the Fourth Proportional to 648,369.19, 894,759.33 and 361,911.07
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Solution
The fourth proportional to 648,369.19, 894,759.33 and 361,911.07 is: 499,442.77
Step by Step Solution
- Step 1: Write the proportion equation
648,369.19 : 894,759.33 = 361,911.07 : x - Step 2: Convert to fraction form
648,369.19/894,759.33 = 361,911.07/x - Step 3: Cross multiply
648,369.19x = 894,759.33 × 361,911.07 - Step 4: Simplify right side
648,369.19x = 323,823,306,512.78 - Step 5: Solve for x
x = 323,823,306,512.78/648,369.19 - Step 6: Final answer
x = 499,442.77
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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.