Finding the Fourth Proportional to 815,124.60, 1,222,293.62 and 341,682.84
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Solution
The fourth proportional to 815,124.60, 1,222,293.62 and 341,682.84 is: 512,359.41
Step by Step Solution
- Step 1: Write the proportion equation
815,124.60 : 1,222,293.62 = 341,682.84 : x - Step 2: Convert to fraction form
815,124.60/1,222,293.62 = 341,682.84/x - Step 3: Cross multiply
815,124.60x = 1,222,293.62 × 341,682.84 - Step 4: Simplify right side
815,124.60x = 417,636,755,395.48 - Step 5: Solve for x
x = 417,636,755,395.48/815,124.60 - Step 6: Final answer
x = 512,359.41
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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.