Finding the Fourth Proportional to 893,459.15, 1,340,202.60 and 286,361.63
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Solution
The fourth proportional to 893,459.15, 1,340,202.60 and 286,361.63 is: 429,546.89
Step by Step Solution
- Step 1: Write the proportion equation
893,459.15 : 1,340,202.60 = 286,361.63 : x - Step 2: Convert to fraction form
893,459.15/1,340,202.60 = 286,361.63/x - Step 3: Cross multiply
893,459.15x = 1,340,202.60 × 286,361.63 - Step 4: Simplify right side
893,459.15x = 383,782,594,365.23 - Step 5: Solve for x
x = 383,782,594,365.23/893,459.15 - Step 6: Final answer
x = 429,546.89
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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.