Finding the Fourth Proportional to 522,201.18, 720,467.46 and 304,360.14
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Solution
The fourth proportional to 522,201.18, 720,467.46 and 304,360.14 is: 419,917.81
Step by Step Solution
- Step 1: Write the proportion equation
522,201.18 : 720,467.46 = 304,360.14 : x - Step 2: Convert to fraction form
522,201.18/720,467.46 = 304,360.14/x - Step 3: Cross multiply
522,201.18x = 720,467.46 × 304,360.14 - Step 4: Simplify right side
522,201.18x = 219,281,576,991.04 - Step 5: Solve for x
x = 219,281,576,991.04/522,201.18 - Step 6: Final answer
x = 419,917.81
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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.