Finding the Fourth Proportional to 552,664.30, 828,121.65 and 463,434.70
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Solution
The fourth proportional to 552,664.30, 828,121.65 and 463,434.70 is: 694,418.49
Step by Step Solution
- Step 1: Write the proportion equation
552,664.30 : 828,121.65 = 463,434.70 : x - Step 2: Convert to fraction form
552,664.30/828,121.65 = 463,434.70/x - Step 3: Cross multiply
552,664.30x = 828,121.65 × 463,434.70 - Step 4: Simplify right side
552,664.30x = 383,780,308,431.26 - Step 5: Solve for x
x = 383,780,308,431.26/552,664.30 - Step 6: Final answer
x = 694,418.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.