Finding the Fourth Proportional to 577,319.21, 796,686.73 and 322,694.09
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Solution
The fourth proportional to 577,319.21, 796,686.73 and 322,694.09 is: 445,310.14
Step by Step Solution
- Step 1: Write the proportion equation
577,319.21 : 796,686.73 = 322,694.09 : x - Step 2: Convert to fraction form
577,319.21/796,686.73 = 322,694.09/x - Step 3: Cross multiply
577,319.21x = 796,686.73 × 322,694.09 - Step 4: Simplify right side
577,319.21x = 257,086,094,562.26 - Step 5: Solve for x
x = 257,086,094,562.26/577,319.21 - Step 6: Final answer
x = 445,310.14
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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.