Finding the Fourth Proportional to 648,441.12, 894,845.31 and 376,575.84
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Solution
The fourth proportional to 648,441.12, 894,845.31 and 376,575.84 is: 519,672.66
Step by Step Solution
- Step 1: Write the proportion equation
648,441.12 : 894,845.31 = 376,575.84 : x - Step 2: Convert to fraction form
648,441.12/894,845.31 = 376,575.84/x - Step 3: Cross multiply
648,441.12x = 894,845.31 × 376,575.84 - Step 4: Simplify right side
648,441.12x = 336,977,124,283.31 - Step 5: Solve for x
x = 336,977,124,283.31/648,441.12 - Step 6: Final answer
x = 519,672.66
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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.