Finding the Fourth Proportional to 522,429.35, 783,070.34 and 269,728.79
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Solution
The fourth proportional to 522,429.35, 783,070.34 and 269,728.79 is: 404,296.99
Step by Step Solution
- Step 1: Write the proportion equation
522,429.35 : 783,070.34 = 269,728.79 : x - Step 2: Convert to fraction form
522,429.35/783,070.34 = 269,728.79/x - Step 3: Cross multiply
522,429.35x = 783,070.34 × 269,728.79 - Step 4: Simplify right side
522,429.35x = 211,216,610,029.09 - Step 5: Solve for x
x = 211,216,610,029.09/522,429.35 - Step 6: Final answer
x = 404,296.99
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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.