Finding the Fourth Proportional to 920,129.23, 1,376,349.51 and 646,556.28
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Solution
The fourth proportional to 920,129.23, 1,376,349.51 and 646,556.28 is: 967,133.08
Step by Step Solution
- Step 1: Write the proportion equation
920,129.23 : 1,376,349.51 = 646,556.28 : x - Step 2: Convert to fraction form
920,129.23/1,376,349.51 = 646,556.28/x - Step 3: Cross multiply
920,129.23x = 1,376,349.51 × 646,556.28 - Step 4: Simplify right side
920,129.23x = 889,887,419,165.42 - Step 5: Solve for x
x = 889,887,419,165.42/920,129.23 - Step 6: Final answer
x = 967,133.08
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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.