Finding the Fourth Proportional to 790,531.77, 1,090,934.18 and 427,955.62
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Solution
The fourth proportional to 790,531.77, 1,090,934.18 and 427,955.62 is: 590,578.94
Step by Step Solution
- Step 1: Write the proportion equation
790,531.77 : 1,090,934.18 = 427,955.62 : x - Step 2: Convert to fraction form
790,531.77/1,090,934.18 = 427,955.62/x - Step 3: Cross multiply
790,531.77x = 1,090,934.18 × 427,955.62 - Step 4: Simplify right side
790,531.77x = 466,871,413,381.09 - Step 5: Solve for x
x = 466,871,413,381.09/790,531.77 - Step 6: Final answer
x = 590,578.94
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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.