Finding the Fourth Proportional to 777,581.60, 1,072,932.68 and 433,342.32
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Solution
The fourth proportional to 777,581.60, 1,072,932.68 and 433,342.32 is: 597,939.99
Step by Step Solution
- Step 1: Write the proportion equation
777,581.60 : 1,072,932.68 = 433,342.32 : x - Step 2: Convert to fraction form
777,581.60/1,072,932.68 = 433,342.32/x - Step 3: Cross multiply
777,581.60x = 1,072,932.68 × 433,342.32 - Step 4: Simplify right side
777,581.60x = 464,947,136,755.02 - Step 5: Solve for x
x = 464,947,136,755.02/777,581.60 - Step 6: Final answer
x = 597,939.99
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1.5x scale
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.