Finding the Fourth Proportional to 553,337.20, 829,349.70 and 496,912.60
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Solution
The fourth proportional to 553,337.20, 829,349.70 and 496,912.60 is: 744,779.70
Step by Step Solution
- Step 1: Write the proportion equation
553,337.20 : 829,349.70 = 496,912.60 : x - Step 2: Convert to fraction form
553,337.20/829,349.70 = 496,912.60/x - Step 3: Cross multiply
553,337.20x = 829,349.70 × 496,912.60 - Step 4: Simplify right side
553,337.20x = 412,114,315,736.22 - Step 5: Solve for x
x = 412,114,315,736.22/553,337.20 - Step 6: Final answer
x = 744,779.70
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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.