Finding the Fourth Proportional to 1,036,349.16, 1,554,523.76 and 404,820.09
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Solution
The fourth proportional to 1,036,349.16, 1,554,523.76 and 404,820.09 is: 607,230.14
Step by Step Solution
- Step 1: Write the proportion equation
1,036,349.16 : 1,554,523.76 = 404,820.09 : x - Step 2: Convert to fraction form
1,036,349.16/1,554,523.76 = 404,820.09/x - Step 3: Cross multiply
1,036,349.16x = 1,554,523.76 × 404,820.09 - Step 4: Simplify right side
1,036,349.16x = 629,302,446,406.24 - Step 5: Solve for x
x = 629,302,446,406.24/1,036,349.16 - Step 6: Final answer
x = 607,230.14
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1.5x scale
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.