Finding the Fourth Proportional to 494,801.70, 742,202.55 and 376,703.70
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Solution
The fourth proportional to 494,801.70, 742,202.55 and 376,703.70 is: 565,055.55
Step by Step Solution
- Step 1: Write the proportion equation
494,801.70 : 742,202.55 = 376,703.70 : x - Step 2: Convert to fraction form
494,801.70/742,202.55 = 376,703.70/x - Step 3: Cross multiply
494,801.70x = 742,202.55 × 376,703.70 - Step 4: Simplify right side
494,801.70x = 279,590,446,734.44 - Step 5: Solve for x
x = 279,590,446,734.44/494,801.70 - Step 6: Final answer
x = 565,055.55
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Similar ratio
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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.