Finding the Fourth Proportional to 540,394.84, 745,783.47 and 298,672.22
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Solution
The fourth proportional to 540,394.84, 745,783.47 and 298,672.22 is: 412,188.99
Step by Step Solution
- Step 1: Write the proportion equation
540,394.84 : 745,783.47 = 298,672.22 : x - Step 2: Convert to fraction form
540,394.84/745,783.47 = 298,672.22/x - Step 3: Cross multiply
540,394.84x = 745,783.47 × 298,672.22 - Step 4: Simplify right side
540,394.84x = 222,744,804,624.20 - Step 5: Solve for x
x = 222,744,804,624.20/540,394.84 - Step 6: Final answer
x = 412,188.99
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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.