Finding the Fourth Proportional to 842,320.49, 1,263,409.74 and 362,528.91
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Solution
The fourth proportional to 842,320.49, 1,263,409.74 and 362,528.91 is: 543,762.81
Step by Step Solution
- Step 1: Write the proportion equation
842,320.49 : 1,263,409.74 = 362,528.91 : x - Step 2: Convert to fraction form
842,320.49/1,263,409.74 = 362,528.91/x - Step 3: Cross multiply
842,320.49x = 1,263,409.74 × 362,528.91 - Step 4: Simplify right side
842,320.49x = 458,022,554,527.41 - Step 5: Solve for x
x = 458,022,554,527.41/842,320.49 - Step 6: Final answer
x = 543,762.81
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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.