Finding the Fourth Proportional to 842,704.84, 1,162,932.69 and 460,731.63
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Solution
The fourth proportional to 842,704.84, 1,162,932.69 and 460,731.63 is: 635,809.66
Step by Step Solution
- Step 1: Write the proportion equation
842,704.84 : 1,162,932.69 = 460,731.63 : x - Step 2: Convert to fraction form
842,704.84/1,162,932.69 = 460,731.63/x - Step 3: Cross multiply
842,704.84x = 1,162,932.69 × 460,731.63 - Step 4: Simplify right side
842,704.84x = 535,799,873,843.99 - Step 5: Solve for x
x = 535,799,873,843.99/842,704.84 - Step 6: Final answer
x = 635,809.66
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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.