Finding the Fourth Proportional to 540,807.62, 746,414.36 and 347,457.03
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Solution
The fourth proportional to 540,807.62, 746,414.36 and 347,457.03 is: 479,554.85
Step by Step Solution
- Step 1: Write the proportion equation
540,807.62 : 746,414.36 = 347,457.03 : x - Step 2: Convert to fraction form
540,807.62/746,414.36 = 347,457.03/x - Step 3: Cross multiply
540,807.62x = 746,414.36 × 347,457.03 - Step 4: Simplify right side
540,807.62x = 259,346,916,674.95 - Step 5: Solve for x
x = 259,346,916,674.95/540,807.62 - Step 6: Final answer
x = 479,554.85
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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.