Finding the Fourth Proportional to 506,689.68, 699,220.97 and 277,246.05
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Solution
The fourth proportional to 506,689.68, 699,220.97 and 277,246.05 is: 382,593.64
Step by Step Solution
- Step 1: Write the proportion equation
506,689.68 : 699,220.97 = 277,246.05 : x - Step 2: Convert to fraction form
506,689.68/699,220.97 = 277,246.05/x - Step 3: Cross multiply
506,689.68x = 699,220.97 × 277,246.05 - Step 4: Simplify right side
506,689.68x = 193,856,250,600.54 - Step 5: Solve for x
x = 193,856,250,600.54/506,689.68 - Step 6: Final answer
x = 382,593.64
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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.