Finding the Fourth Proportional to 540,811.38, 746,419.53 and 347,460.79
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Solution
The fourth proportional to 540,811.38, 746,419.53 and 347,460.79 is: 479,560.03
Step by Step Solution
- Step 1: Write the proportion equation
540,811.38 : 746,419.53 = 347,460.79 : x - Step 2: Convert to fraction form
540,811.38/746,419.53 = 347,460.79/x - Step 3: Cross multiply
540,811.38x = 746,419.53 × 347,460.79 - Step 4: Simplify right side
540,811.38x = 259,351,519,565.23 - Step 5: Solve for x
x = 259,351,519,565.23/540,811.38 - Step 6: Final answer
x = 479,560.03
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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.