Finding the Fourth Proportional to 923,975.74, 1,275,107.43 and 542,277.82
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Solution
The fourth proportional to 923,975.74, 1,275,107.43 and 542,277.82 is: 748,355.66
Step by Step Solution
- Step 1: Write the proportion equation
923,975.74 : 1,275,107.43 = 542,277.82 : x - Step 2: Convert to fraction form
923,975.74/1,275,107.43 = 542,277.82/x - Step 3: Cross multiply
923,975.74x = 1,275,107.43 × 542,277.82 - Step 4: Simplify right side
923,975.74x = 691,462,477,406.20 - Step 5: Solve for x
x = 691,462,477,406.20/923,975.74 - Step 6: Final answer
x = 748,355.66
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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.