Finding the Fourth Proportional to 881,471.70, 1,322,207.55 and 432,480.60
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Solution
The fourth proportional to 881,471.70, 1,322,207.55 and 432,480.60 is: 648,720.90
Step by Step Solution
- Step 1: Write the proportion equation
881,471.70 : 1,322,207.55 = 432,480.60 : x - Step 2: Convert to fraction form
881,471.70/1,322,207.55 = 432,480.60/x - Step 3: Cross multiply
881,471.70x = 1,322,207.55 × 432,480.60 - Step 4: Simplify right side
881,471.70x = 571,829,114,548.53 - Step 5: Solve for x
x = 571,829,114,548.53/881,471.70 - Step 6: Final answer
x = 648,720.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.