Finding the Fourth Proportional to 964,751.81, 1,331,323.97 and 535,071.92
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Solution
The fourth proportional to 964,751.81, 1,331,323.97 and 535,071.92 is: 738,380.65
Step by Step Solution
- Step 1: Write the proportion equation
964,751.81 : 1,331,323.97 = 535,071.92 : x - Step 2: Convert to fraction form
964,751.81/1,331,323.97 = 535,071.92/x - Step 3: Cross multiply
964,751.81x = 1,331,323.97 × 535,071.92 - Step 4: Simplify right side
964,751.81x = 712,354,063,437.94 - Step 5: Solve for x
x = 712,354,063,437.94/964,751.81 - Step 6: Final answer
x = 738,380.65
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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.