Finding the Fourth Proportional to 746,251.38, 1,029,851.01 and 423,955.62
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Solution
The fourth proportional to 746,251.38, 1,029,851.01 and 423,955.62 is: 585,072.45
Step by Step Solution
- Step 1: Write the proportion equation
746,251.38 : 1,029,851.01 = 423,955.62 : x - Step 2: Convert to fraction form
746,251.38/1,029,851.01 = 423,955.62/x - Step 3: Cross multiply
746,251.38x = 1,029,851.01 × 423,955.62 - Step 4: Simplify right side
746,251.38x = 436,611,123,452.18 - Step 5: Solve for x
x = 436,611,123,452.18/746,251.38 - Step 6: Final answer
x = 585,072.45
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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.