Finding the Fourth Proportional to 764,047.08, 1,053,945.74 and 477,068.94
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Solution
The fourth proportional to 764,047.08, 1,053,945.74 and 477,068.94 is: 658,080.88
Step by Step Solution
- Step 1: Write the proportion equation
764,047.08 : 1,053,945.74 = 477,068.94 : x - Step 2: Convert to fraction form
764,047.08/1,053,945.74 = 477,068.94/x - Step 3: Cross multiply
764,047.08x = 1,053,945.74 × 477,068.94 - Step 4: Simplify right side
764,047.08x = 502,804,778,191.99 - Step 5: Solve for x
x = 502,804,778,191.99/764,047.08 - Step 6: Final answer
x = 658,080.88
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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.