Finding the Fourth Proportional to 746,708.42, 1,030,455.72 and 407,176.68
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Solution
The fourth proportional to 746,708.42, 1,030,455.72 and 407,176.68 is: 561,902.78
Step by Step Solution
- Step 1: Write the proportion equation
746,708.42 : 1,030,455.72 = 407,176.68 : x - Step 2: Convert to fraction form
746,708.42/1,030,455.72 = 407,176.68/x - Step 3: Cross multiply
746,708.42x = 1,030,455.72 × 407,176.68 - Step 4: Simplify right side
746,708.42x = 419,577,538,956.61 - Step 5: Solve for x
x = 419,577,538,956.61/746,708.42 - Step 6: Final answer
x = 561,902.78
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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.