Finding the Fourth Proportional to 754,076.94, 1,040,646.09 and 409,936.02
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Solution
The fourth proportional to 754,076.94, 1,040,646.09 and 409,936.02 is: 565,722.53
Step by Step Solution
- Step 1: Write the proportion equation
754,076.94 : 1,040,646.09 = 409,936.02 : x - Step 2: Convert to fraction form
754,076.94/1,040,646.09 = 409,936.02/x - Step 3: Cross multiply
754,076.94x = 1,040,646.09 × 409,936.02 - Step 4: Simplify right side
754,076.94x = 426,598,316,363.16 - Step 5: Solve for x
x = 426,598,316,363.16/754,076.94 - Step 6: Final answer
x = 565,722.53
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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.