Finding the Fourth Proportional to 905,902.13, 1,358,817.71 and 306,863.28
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Solution
The fourth proportional to 905,902.13, 1,358,817.71 and 306,863.28 is: 460,282.90
Step by Step Solution
- Step 1: Write the proportion equation
905,902.13 : 1,358,817.71 = 306,863.28 : x - Step 2: Convert to fraction form
905,902.13/1,358,817.71 = 306,863.28/x - Step 3: Cross multiply
905,902.13x = 1,358,817.71 × 306,863.28 - Step 4: Simplify right side
905,902.13x = 416,971,259,412.69 - Step 5: Solve for x
x = 416,971,259,412.69/905,902.13 - Step 6: Final answer
x = 460,282.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.