Finding the Fourth Proportional to 894,860.21, 1,234,907.27 and 492,452.21
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Solution
The fourth proportional to 894,860.21, 1,234,907.27 and 492,452.21 is: 679,584.15
Step by Step Solution
- Step 1: Write the proportion equation
894,860.21 : 1,234,907.27 = 492,452.21 : x - Step 2: Convert to fraction form
894,860.21/1,234,907.27 = 492,452.21/x - Step 3: Cross multiply
894,860.21x = 1,234,907.27 × 492,452.21 - Step 4: Simplify right side
894,860.21x = 608,132,811,794.31 - Step 5: Solve for x
x = 608,132,811,794.31/894,860.21 - Step 6: Final answer
x = 679,584.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.