Finding the Fourth Proportional to 1,390,364.82, 2,084,785.26 and 430,553.97
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Solution
The fourth proportional to 1,390,364.82, 2,084,785.26 and 430,553.97 is: 645,595.00
Step by Step Solution
- Step 1: Write the proportion equation
1,390,364.82 : 2,084,785.26 = 430,553.97 : x - Step 2: Convert to fraction form
1,390,364.82/2,084,785.26 = 430,553.97/x - Step 3: Cross multiply
1,390,364.82x = 2,084,785.26 × 430,553.97 - Step 4: Simplify right side
1,390,364.82x = 897,612,570,290.48 - Step 5: Solve for x
x = 897,612,570,290.48/1,390,364.82 - Step 6: Final answer
x = 645,595.00
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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.