Finding the Fourth Proportional to 589,106.79, 812,917.44 and 330,963.49
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Solution
The fourth proportional to 589,106.79, 812,917.44 and 330,963.49 is: 456,701.56
Step by Step Solution
- Step 1: Write the proportion equation
589,106.79 : 812,917.44 = 330,963.49 : x - Step 2: Convert to fraction form
589,106.79/812,917.44 = 330,963.49/x - Step 3: Cross multiply
589,106.79x = 812,917.44 × 330,963.49 - Step 4: Simplify right side
589,106.79x = 269,045,990,991.97 - Step 5: Solve for x
x = 269,045,990,991.97/589,106.79 - Step 6: Final answer
x = 456,701.56
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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.