Finding the Fourth Proportional to 1,430,318.40, 2,145,475.36 and 365,360.68
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Solution
The fourth proportional to 1,430,318.40, 2,145,475.36 and 365,360.68 is: 548,040.45
Step by Step Solution
- Step 1: Write the proportion equation
1,430,318.40 : 2,145,475.36 = 365,360.68 : x - Step 2: Convert to fraction form
1,430,318.40/2,145,475.36 = 365,360.68/x - Step 3: Cross multiply
1,430,318.40x = 2,145,475.36 × 365,360.68 - Step 4: Simplify right side
1,430,318.40x = 783,872,336,452.85 - Step 5: Solve for x
x = 783,872,336,452.85/1,430,318.40 - Step 6: Final answer
x = 548,040.45
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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.