Finding the Fourth Proportional to 746,159.09, 1,029,407.21 and 459,180.95
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Solution
The fourth proportional to 746,159.09, 1,029,407.21 and 459,180.95 is: 633,489.80
Step by Step Solution
- Step 1: Write the proportion equation
746,159.09 : 1,029,407.21 = 459,180.95 : x - Step 2: Convert to fraction form
746,159.09/1,029,407.21 = 459,180.95/x - Step 3: Cross multiply
746,159.09x = 1,029,407.21 × 459,180.95 - Step 4: Simplify right side
746,159.09x = 472,684,173,181.71 - Step 5: Solve for x
x = 472,684,173,181.71/746,159.09 - Step 6: Final answer
x = 633,489.80
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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.