Finding the Fourth Proportional to 656,597.36, 905,950.08 and 398,468.48
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Solution
The fourth proportional to 656,597.36, 905,950.08 and 398,468.48 is: 549,792.88
Step by Step Solution
- Step 1: Write the proportion equation
656,597.36 : 905,950.08 = 398,468.48 : x - Step 2: Convert to fraction form
656,597.36/905,950.08 = 398,468.48/x - Step 3: Cross multiply
656,597.36x = 905,950.08 × 398,468.48 - Step 4: Simplify right side
656,597.36x = 360,992,551,333.48 - Step 5: Solve for x
x = 360,992,551,333.48/656,597.36 - Step 6: Final answer
x = 549,792.88
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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.