Finding the Fourth Proportional to 750,843.84, 1,036,190.37 and 411,312.09
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Solution
The fourth proportional to 750,843.84, 1,036,190.37 and 411,312.09 is: 567,624.86
Step by Step Solution
- Step 1: Write the proportion equation
750,843.84 : 1,036,190.37 = 411,312.09 : x - Step 2: Convert to fraction form
750,843.84/1,036,190.37 = 411,312.09/x - Step 3: Cross multiply
750,843.84x = 1,036,190.37 × 411,312.09 - Step 4: Simplify right side
750,843.84x = 426,197,626,722.57 - Step 5: Solve for x
x = 426,197,626,722.57/750,843.84 - Step 6: Final answer
x = 567,624.86
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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.