Finding the Fourth Proportional to 874,602.27, 1,206,538.74 and 511,803.68
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Solution
The fourth proportional to 874,602.27, 1,206,538.74 and 511,803.68 is: 706,047.75
Step by Step Solution
- Step 1: Write the proportion equation
874,602.27 : 1,206,538.74 = 511,803.68 : x - Step 2: Convert to fraction form
874,602.27/1,206,538.74 = 511,803.68/x - Step 3: Cross multiply
874,602.27x = 1,206,538.74 × 511,803.68 - Step 4: Simplify right side
874,602.27x = 617,510,961,161.87 - Step 5: Solve for x
x = 617,510,961,161.87/874,602.27 - Step 6: Final answer
x = 706,047.75
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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.