Finding the Fourth Proportional to 965,707.21, 1,332,840.90 and 557,735.74
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Solution
The fourth proportional to 965,707.21, 1,332,840.90 and 557,735.74 is: 769,770.59
Step by Step Solution
- Step 1: Write the proportion equation
965,707.21 : 1,332,840.90 = 557,735.74 : x - Step 2: Convert to fraction form
965,707.21/1,332,840.90 = 557,735.74/x - Step 3: Cross multiply
965,707.21x = 1,332,840.90 × 557,735.74 - Step 4: Simplify right side
965,707.21x = 743,373,005,663.77 - Step 5: Solve for x
x = 743,373,005,663.77/965,707.21 - Step 6: Final answer
x = 769,770.59
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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.