Finding the Fourth Proportional to 491,122.14, 736,683.21 and 324,871.26
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Solution
The fourth proportional to 491,122.14, 736,683.21 and 324,871.26 is: 487,306.89
Step by Step Solution
- Step 1: Write the proportion equation
491,122.14 : 736,683.21 = 324,871.26 : x - Step 2: Convert to fraction form
491,122.14/736,683.21 = 324,871.26/x - Step 3: Cross multiply
491,122.14x = 736,683.21 × 324,871.26 - Step 4: Simplify right side
491,122.14x = 239,327,202,653.55 - Step 5: Solve for x
x = 239,327,202,653.55/491,122.14 - Step 6: Final answer
x = 487,306.89
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Double scale
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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.