Finding the Fourth Proportional to 729,101.37, 1,006,136.28 and 397,944.66
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Solution
The fourth proportional to 729,101.37, 1,006,136.28 and 397,944.66 is: 549,150.74
Step by Step Solution
- Step 1: Write the proportion equation
729,101.37 : 1,006,136.28 = 397,944.66 : x - Step 2: Convert to fraction form
729,101.37/1,006,136.28 = 397,944.66/x - Step 3: Cross multiply
729,101.37x = 1,006,136.28 × 397,944.66 - Step 4: Simplify right side
729,101.37x = 400,386,559,858.27 - Step 5: Solve for x
x = 400,386,559,858.27/729,101.37 - Step 6: Final answer
x = 549,150.74
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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.