Finding the Fourth Proportional to 965,567.10, 1,332,174.36 and 557,615.07
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Solution
The fourth proportional to 965,567.10, 1,332,174.36 and 557,615.07 is: 769,330.79
Step by Step Solution
- Step 1: Write the proportion equation
965,567.10 : 1,332,174.36 = 557,615.07 : x - Step 2: Convert to fraction form
965,567.10/1,332,174.36 = 557,615.07/x - Step 3: Cross multiply
965,567.10x = 1,332,174.36 × 557,615.07 - Step 4: Simplify right side
965,567.10x = 742,840,499,003.61 - Step 5: Solve for x
x = 742,840,499,003.61/965,567.10 - Step 6: Final answer
x = 769,330.79
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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.