Finding the Fourth Proportional to 763,503, 1,053,677.88 and 423,993.12
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Solution
The fourth proportional to 763,503, 1,053,677.88 and 423,993.12 is: 585,134.80
Step by Step Solution
- Step 1: Write the proportion equation
763,503 : 1,053,677.88 = 423,993.12 : x - Step 2: Convert to fraction form
763,503/1,053,677.88 = 423,993.12/x - Step 3: Cross multiply
763,503x = 1,053,677.88 × 423,993.12 - Step 4: Simplify right side
763,503x = 446,752,171,816.19 - Step 5: Solve for x
x = 446,752,171,816.19/763,503 - Step 6: Final answer
x = 585,134.80
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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.