Finding the Fourth Proportional to 799,433.97, 1,103,331.40 and 508,952.75
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Solution
The fourth proportional to 799,433.97, 1,103,331.40 and 508,952.75 is: 702,426.42
Step by Step Solution
- Step 1: Write the proportion equation
799,433.97 : 1,103,331.40 = 508,952.75 : x - Step 2: Convert to fraction form
799,433.97/1,103,331.40 = 508,952.75/x - Step 3: Cross multiply
799,433.97x = 1,103,331.40 × 508,952.75 - Step 4: Simplify right side
799,433.97x = 561,543,544,013.84 - Step 5: Solve for x
x = 561,543,544,013.84/799,433.97 - Step 6: Final answer
x = 702,426.42
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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.