Finding the Fourth Proportional to 750,939.67, 1,036,282.84 and 411,405.49
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Solution
The fourth proportional to 750,939.67, 1,036,282.84 and 411,405.49 is: 567,731.96
Step by Step Solution
- Step 1: Write the proportion equation
750,939.67 : 1,036,282.84 = 411,405.49 : x - Step 2: Convert to fraction form
750,939.67/1,036,282.84 = 411,405.49/x - Step 3: Cross multiply
750,939.67x = 1,036,282.84 × 411,405.49 - Step 4: Simplify right side
750,939.67x = 426,332,449,568.79 - Step 5: Solve for x
x = 426,332,449,568.79/750,939.67 - Step 6: Final answer
x = 567,731.96
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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.