Finding the Fourth Proportional to 522,062.80, 781,927.80 and 428,750.80
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Solution
The fourth proportional to 522,062.80, 781,927.80 and 428,750.80 is: 642,168.28
Step by Step Solution
- Step 1: Write the proportion equation
522,062.80 : 781,927.80 = 428,750.80 : x - Step 2: Convert to fraction form
522,062.80/781,927.80 = 428,750.80/x - Step 3: Cross multiply
522,062.80x = 781,927.80 × 428,750.80 - Step 4: Simplify right side
522,062.80x = 335,252,169,792.24 - Step 5: Solve for x
x = 335,252,169,792.24/522,062.80 - Step 6: Final answer
x = 642,168.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.