Finding the Fourth Proportional to 880,871.36, 1,215,687.29 and 493,684.88
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Solution
The fourth proportional to 880,871.36, 1,215,687.29 and 493,684.88 is: 681,332.66
Step by Step Solution
- Step 1: Write the proportion equation
880,871.36 : 1,215,687.29 = 493,684.88 : x - Step 2: Convert to fraction form
880,871.36/1,215,687.29 = 493,684.88/x - Step 3: Cross multiply
880,871.36x = 1,215,687.29 × 493,684.88 - Step 4: Simplify right side
880,871.36x = 600,166,425,334.31 - Step 5: Solve for x
x = 600,166,425,334.31/880,871.36 - Step 6: Final answer
x = 681,332.66
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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.