Finding the Fourth Proportional to 853,384.68, 1,177,706.52 and 490,808.70
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Solution
The fourth proportional to 853,384.68, 1,177,706.52 and 490,808.70 is: 677,336.52
Step by Step Solution
- Step 1: Write the proportion equation
853,384.68 : 1,177,706.52 = 490,808.70 : x - Step 2: Convert to fraction form
853,384.68/1,177,706.52 = 490,808.70/x - Step 3: Cross multiply
853,384.68x = 1,177,706.52 × 490,808.70 - Step 4: Simplify right side
853,384.68x = 578,028,606,062.72 - Step 5: Solve for x
x = 578,028,606,062.72/853,384.68 - Step 6: Final answer
x = 677,336.52
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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.