Finding the Fourth Proportional to 651,687.96, 899,329.50 and 397,039.08
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Solution
The fourth proportional to 651,687.96, 899,329.50 and 397,039.08 is: 547,914.00
Step by Step Solution
- Step 1: Write the proportion equation
651,687.96 : 899,329.50 = 397,039.08 : x - Step 2: Convert to fraction form
651,687.96/899,329.50 = 397,039.08/x - Step 3: Cross multiply
651,687.96x = 899,329.50 × 397,039.08 - Step 4: Simplify right side
651,687.96x = 357,068,957,296.86 - Step 5: Solve for x
x = 357,068,957,296.86/651,687.96 - Step 6: Final answer
x = 547,914.00
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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.