Finding the Fourth Proportional to 554,578.80, 765,319.24 and 299,929.99
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Solution
The fourth proportional to 554,578.80, 765,319.24 and 299,929.99 is: 413,903.65
Step by Step Solution
- Step 1: Write the proportion equation
554,578.80 : 765,319.24 = 299,929.99 : x - Step 2: Convert to fraction form
554,578.80/765,319.24 = 299,929.99/x - Step 3: Cross multiply
554,578.80x = 765,319.24 × 299,929.99 - Step 4: Simplify right side
554,578.80x = 229,542,190,836.54 - Step 5: Solve for x
x = 229,542,190,836.54/554,578.80 - Step 6: Final answer
x = 413,903.65
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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.