Finding the Fourth Proportional to 553,349.20, 829,367.70 and 496,924.60
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Solution
The fourth proportional to 553,349.20, 829,367.70 and 496,924.60 is: 744,797.70
Step by Step Solution
- Step 1: Write the proportion equation
553,349.20 : 829,367.70 = 496,924.60 : x - Step 2: Convert to fraction form
553,349.20/829,367.70 = 496,924.60/x - Step 3: Cross multiply
553,349.20x = 829,367.70 × 496,924.60 - Step 4: Simplify right side
553,349.20x = 412,133,212,575.42 - Step 5: Solve for x
x = 412,133,212,575.42/553,349.20 - Step 6: Final answer
x = 744,797.70
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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.