Finding the Fourth Proportional to 756,972.36, 1,044,574.08 and 434,455.44
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Solution
The fourth proportional to 756,972.36, 1,044,574.08 and 434,455.44 is: 599,521.09
Step by Step Solution
- Step 1: Write the proportion equation
756,972.36 : 1,044,574.08 = 434,455.44 : x - Step 2: Convert to fraction form
756,972.36/1,044,574.08 = 434,455.44/x - Step 3: Cross multiply
756,972.36x = 1,044,574.08 × 434,455.44 - Step 4: Simplify right side
756,972.36x = 453,820,891,539.00 - Step 5: Solve for x
x = 453,820,891,539.00/756,972.36 - Step 6: Final answer
x = 599,521.09
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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.