Finding the Fourth Proportional to 522,557.70, 783,836.55 and 286,361.70
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Solution
The fourth proportional to 522,557.70, 783,836.55 and 286,361.70 is: 429,542.55
Step by Step Solution
- Step 1: Write the proportion equation
522,557.70 : 783,836.55 = 286,361.70 : x - Step 2: Convert to fraction form
522,557.70/783,836.55 = 286,361.70/x - Step 3: Cross multiply
522,557.70x = 783,836.55 × 286,361.70 - Step 4: Simplify right side
522,557.70x = 224,460,766,980.14 - Step 5: Solve for x
x = 224,460,766,980.14/522,557.70 - Step 6: Final answer
x = 429,542.55
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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.