Finding the Fourth Proportional to 746,585.17, 1,030,310.09 and 407,059.09
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Solution
The fourth proportional to 746,585.17, 1,030,310.09 and 407,059.09 is: 561,753.84
Step by Step Solution
- Step 1: Write the proportion equation
746,585.17 : 1,030,310.09 = 407,059.09 : x - Step 2: Convert to fraction form
746,585.17/1,030,310.09 = 407,059.09/x - Step 3: Cross multiply
746,585.17x = 1,030,310.09 × 407,059.09 - Step 4: Simplify right side
746,585.17x = 419,397,085,617.92 - Step 5: Solve for x
x = 419,397,085,617.92/746,585.17 - Step 6: Final answer
x = 561,753.84
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1.5x scale
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.