Finding the Fourth Proportional to 434,745.20, 652,117.80 and 374,610.80
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Solution
The fourth proportional to 434,745.20, 652,117.80 and 374,610.80 is: 561,916.20
Step by Step Solution
- Step 1: Write the proportion equation
434,745.20 : 652,117.80 = 374,610.80 : x - Step 2: Convert to fraction form
434,745.20/652,117.80 = 374,610.80/x - Step 3: Cross multiply
434,745.20x = 652,117.80 × 374,610.80 - Step 4: Simplify right side
434,745.20x = 244,290,370,752.24 - Step 5: Solve for x
x = 244,290,370,752.24/434,745.20 - Step 6: Final answer
x = 561,916.20
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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.