Finding the Fourth Proportional to 554,371.84, 765,033.12 and 299,722.96
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Solution
The fourth proportional to 554,371.84, 765,033.12 and 299,722.96 is: 413,617.67
Step by Step Solution
- Step 1: Write the proportion equation
554,371.84 : 765,033.12 = 299,722.96 : x - Step 2: Convert to fraction form
554,371.84/765,033.12 = 299,722.96/x - Step 3: Cross multiply
554,371.84x = 765,033.12 × 299,722.96 - Step 4: Simplify right side
554,371.84x = 229,297,991,224.44 - Step 5: Solve for x
x = 229,297,991,224.44/554,371.84 - Step 6: Final answer
x = 413,617.67
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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.