Finding the Fourth Proportional to 909,245.19, 1,364,261.09 and 488,028.99
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Solution
The fourth proportional to 909,245.19, 1,364,261.09 and 488,028.99 is: 732,254.59
Step by Step Solution
- Step 1: Write the proportion equation
909,245.19 : 1,364,261.09 = 488,028.99 : x - Step 2: Convert to fraction form
909,245.19/1,364,261.09 = 488,028.99/x - Step 3: Cross multiply
909,245.19x = 1,364,261.09 × 488,028.99 - Step 4: Simplify right side
909,245.19x = 665,798,959,408.85 - Step 5: Solve for x
x = 665,798,959,408.85/909,245.19 - Step 6: Final answer
x = 732,254.59
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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.