Finding the Fourth Proportional to 844,344.40, 1,165,160.28 and 462,364.60
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Solution
The fourth proportional to 844,344.40, 1,165,160.28 and 462,364.60 is: 638,043.99
Step by Step Solution
- Step 1: Write the proportion equation
844,344.40 : 1,165,160.28 = 462,364.60 : x - Step 2: Convert to fraction form
844,344.40/1,165,160.28 = 462,364.60/x - Step 3: Cross multiply
844,344.40x = 1,165,160.28 × 462,364.60 - Step 4: Simplify right side
844,344.40x = 538,728,866,798.09 - Step 5: Solve for x
x = 538,728,866,798.09/844,344.40 - Step 6: Final answer
x = 638,043.99
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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.