Finding the Fourth Proportional to 498,444.87, 687,845.07 and 283,580.31
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Solution
The fourth proportional to 498,444.87, 687,845.07 and 283,580.31 is: 391,335.79
Step by Step Solution
- Step 1: Write the proportion equation
498,444.87 : 687,845.07 = 283,580.31 : x - Step 2: Convert to fraction form
498,444.87/687,845.07 = 283,580.31/x - Step 3: Cross multiply
498,444.87x = 687,845.07 × 283,580.31 - Step 4: Simplify right side
498,444.87x = 195,059,318,182.57 - Step 5: Solve for x
x = 195,059,318,182.57/498,444.87 - Step 6: Final answer
x = 391,335.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.