Finding the Fourth Proportional to 763,522.24, 1,053,662.58 and 423,990.48
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Solution
The fourth proportional to 763,522.24, 1,053,662.58 and 423,990.48 is: 585,107.91
Step by Step Solution
- Step 1: Write the proportion equation
763,522.24 : 1,053,662.58 = 423,990.48 : x - Step 2: Convert to fraction form
763,522.24/1,053,662.58 = 423,990.48/x - Step 3: Cross multiply
763,522.24x = 1,053,662.58 × 423,990.48 - Step 4: Simplify right side
763,522.24x = 446,742,903,052.24 - Step 5: Solve for x
x = 446,742,903,052.24/763,522.24 - Step 6: Final answer
x = 585,107.91
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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.