Finding the Fourth Proportional to 791,232.02, 1,091,898.84 and 428,665.08
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Solution
The fourth proportional to 791,232.02, 1,091,898.84 and 428,665.08 is: 591,557.08
Step by Step Solution
- Step 1: Write the proportion equation
791,232.02 : 1,091,898.84 = 428,665.08 : x - Step 2: Convert to fraction form
791,232.02/1,091,898.84 = 428,665.08/x - Step 3: Cross multiply
791,232.02x = 1,091,898.84 × 428,665.08 - Step 4: Simplify right side
791,232.02x = 468,058,903,600.51 - Step 5: Solve for x
x = 468,058,903,600.51/791,232.02 - Step 6: Final answer
x = 591,557.08
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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.