Finding the Fourth Proportional to 722,236.08, 1,083,222.81 and 216,678.18
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Solution
The fourth proportional to 722,236.08, 1,083,222.81 and 216,678.18 is: 324,977.88
Step by Step Solution
- Step 1: Write the proportion equation
722,236.08 : 1,083,222.81 = 216,678.18 : x - Step 2: Convert to fraction form
722,236.08/1,083,222.81 = 216,678.18/x - Step 3: Cross multiply
722,236.08x = 1,083,222.81 × 216,678.18 - Step 4: Simplify right side
722,236.08x = 234,710,747,005.29 - Step 5: Solve for x
x = 234,710,747,005.29/722,236.08 - Step 6: Final answer
x = 324,977.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.