Finding the Fourth Proportional to 526,708.80, 788,896.80 and 433,396.80
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Solution
The fourth proportional to 526,708.80, 788,896.80 and 433,396.80 is: 649,135.44
Step by Step Solution
- Step 1: Write the proportion equation
526,708.80 : 788,896.80 = 433,396.80 : x - Step 2: Convert to fraction form
526,708.80/788,896.80 = 433,396.80/x - Step 3: Cross multiply
526,708.80x = 788,896.80 × 433,396.80 - Step 4: Simplify right side
526,708.80x = 341,905,348,650.24 - Step 5: Solve for x
x = 341,905,348,650.24/526,708.80 - Step 6: Final answer
x = 649,135.44
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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.