Finding the Fourth Proportional to 757,615.97, 1,045,535.15 and 413,470.73
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Solution
The fourth proportional to 757,615.97, 1,045,535.15 and 413,470.73 is: 570,603.31
Step by Step Solution
- Step 1: Write the proportion equation
757,615.97 : 1,045,535.15 = 413,470.73 : x - Step 2: Convert to fraction form
757,615.97/1,045,535.15 = 413,470.73/x - Step 3: Cross multiply
757,615.97x = 1,045,535.15 × 413,470.73 - Step 4: Simplify right side
757,615.97x = 432,298,179,643.81 - Step 5: Solve for x
x = 432,298,179,643.81/757,615.97 - Step 6: Final answer
x = 570,603.31
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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.