Finding the Fourth Proportional to 746,158.76, 1,029,406.80 and 459,180.62
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Solution
The fourth proportional to 746,158.76, 1,029,406.80 and 459,180.62 is: 633,489.38
Step by Step Solution
- Step 1: Write the proportion equation
746,158.76 : 1,029,406.80 = 459,180.62 : x - Step 2: Convert to fraction form
746,158.76/1,029,406.80 = 459,180.62/x - Step 3: Cross multiply
746,158.76x = 1,029,406.80 × 459,180.62 - Step 4: Simplify right side
746,158.76x = 472,683,652,656.22 - Step 5: Solve for x
x = 472,683,652,656.22/746,158.76 - Step 6: Final answer
x = 633,489.38
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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.