Finding the Fourth Proportional to 964,782.65, 1,331,481.77 and 535,201.13
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Solution
The fourth proportional to 964,782.65, 1,331,481.77 and 535,201.13 is: 738,622.88
Step by Step Solution
- Step 1: Write the proportion equation
964,782.65 : 1,331,481.77 = 535,201.13 : x - Step 2: Convert to fraction form
964,782.65/1,331,481.77 = 535,201.13/x - Step 3: Cross multiply
964,782.65x = 1,331,481.77 × 535,201.13 - Step 4: Simplify right side
964,782.65x = 712,610,538,544.99 - Step 5: Solve for x
x = 712,610,538,544.99/964,782.65 - Step 6: Final answer
x = 738,622.88
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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.