Finding the Fourth Proportional to 611,782.08, 844,270.08 and 339,874.56
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Solution
The fourth proportional to 611,782.08, 844,270.08 and 339,874.56 is: 469,032.90
Step by Step Solution
- Step 1: Write the proportion equation
611,782.08 : 844,270.08 = 339,874.56 : x - Step 2: Convert to fraction form
611,782.08/844,270.08 = 339,874.56/x - Step 3: Cross multiply
611,782.08x = 844,270.08 × 339,874.56 - Step 4: Simplify right side
611,782.08x = 286,945,921,961.17 - Step 5: Solve for x
x = 286,945,921,961.17/611,782.08 - Step 6: Final answer
x = 469,032.90
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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.