Finding the Fourth Proportional to 701,653.88, 968,285.05 and 391,569.68
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Solution
The fourth proportional to 701,653.88, 968,285.05 and 391,569.68 is: 540,367.66
Step by Step Solution
- Step 1: Write the proportion equation
701,653.88 : 968,285.05 = 391,569.68 : x - Step 2: Convert to fraction form
701,653.88/968,285.05 = 391,569.68/x - Step 3: Cross multiply
701,653.88x = 968,285.05 × 391,569.68 - Step 4: Simplify right side
701,653.88x = 379,151,067,177.28 - Step 5: Solve for x
x = 379,151,067,177.28/701,653.88 - Step 6: Final answer
x = 540,367.66
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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.