Finding the Fourth Proportional to 813,436.28, 1,122,609.25 and 450,973.84
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Solution
The fourth proportional to 813,436.28, 1,122,609.25 and 450,973.84 is: 622,381.15
Step by Step Solution
- Step 1: Write the proportion equation
813,436.28 : 1,122,609.25 = 450,973.84 : x - Step 2: Convert to fraction form
813,436.28/1,122,609.25 = 450,973.84/x - Step 3: Cross multiply
813,436.28x = 1,122,609.25 × 450,973.84 - Step 4: Simplify right side
813,436.28x = 506,267,404,292.02 - Step 5: Solve for x
x = 506,267,404,292.02/813,436.28 - Step 6: Final answer
x = 622,381.15
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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.