Finding the Fourth Proportional to 724,603.92, 1,086,807.28 and 275,437.84
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Solution
The fourth proportional to 724,603.92, 1,086,807.28 and 275,437.84 is: 413,119.28
Step by Step Solution
- Step 1: Write the proportion equation
724,603.92 : 1,086,807.28 = 275,437.84 : x - Step 2: Convert to fraction form
724,603.92/1,086,807.28 = 275,437.84/x - Step 3: Cross multiply
724,603.92x = 1,086,807.28 × 275,437.84 - Step 4: Simplify right side
724,603.92x = 299,347,849,699.48 - Step 5: Solve for x
x = 299,347,849,699.48/724,603.92 - Step 6: Final answer
x = 413,119.28
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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.