Finding the Fourth Proportional to 522,349.02, 782,473.74 and 272,506.14
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Solution
The fourth proportional to 522,349.02, 782,473.74 and 272,506.14 is: 408,211.54
Step by Step Solution
- Step 1: Write the proportion equation
522,349.02 : 782,473.74 = 272,506.14 : x - Step 2: Convert to fraction form
522,349.02/782,473.74 = 272,506.14/x - Step 3: Cross multiply
522,349.02x = 782,473.74 × 272,506.14 - Step 4: Simplify right side
522,349.02x = 213,228,898,538.76 - Step 5: Solve for x
x = 213,228,898,538.76/522,349.02 - Step 6: Final answer
x = 408,211.54
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1.5x scale
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.