Finding the Fourth Proportional to 506,560.35, 699,058.79 and 277,112.70
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Solution
The fourth proportional to 506,560.35, 699,058.79 and 277,112.70 is: 382,418.54
Step by Step Solution
- Step 1: Write the proportion equation
506,560.35 : 699,058.79 = 277,112.70 : x - Step 2: Convert to fraction form
506,560.35/699,058.79 = 277,112.70/x - Step 3: Cross multiply
506,560.35x = 699,058.79 × 277,112.70 - Step 4: Simplify right side
506,560.35x = 193,718,068,595.26 - Step 5: Solve for x
x = 193,718,068,595.26/506,560.35 - Step 6: Final answer
x = 382,418.54
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1.5x scale
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.