Finding the Fourth Proportional to 972,435.60, 1,342,028.48 and 542,799.44
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Solution
The fourth proportional to 972,435.60, 1,342,028.48 and 542,799.44 is: 749,100.82
Step by Step Solution
- Step 1: Write the proportion equation
972,435.60 : 1,342,028.48 = 542,799.44 : x - Step 2: Convert to fraction form
972,435.60/1,342,028.48 = 542,799.44/x - Step 3: Cross multiply
972,435.60x = 1,342,028.48 × 542,799.44 - Step 4: Simplify right side
972,435.60x = 728,452,307,408.05 - Step 5: Solve for x
x = 728,452,307,408.05/972,435.60 - Step 6: Final answer
x = 749,100.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.