Finding the Fourth Proportional to 492,355.70, 738,533.55 and 413,623.70
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Solution
The fourth proportional to 492,355.70, 738,533.55 and 413,623.70 is: 620,435.55
Step by Step Solution
- Step 1: Write the proportion equation
492,355.70 : 738,533.55 = 413,623.70 : x - Step 2: Convert to fraction form
492,355.70/738,533.55 = 413,623.70/x - Step 3: Cross multiply
492,355.70x = 738,533.55 × 413,623.70 - Step 4: Simplify right side
492,355.70x = 305,474,979,525.14 - Step 5: Solve for x
x = 305,474,979,525.14/492,355.70 - Step 6: Final answer
x = 620,435.55
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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.