Finding the Fourth Proportional to 775,819.08, 1,070,504.16 and 431,646.17
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Solution
The fourth proportional to 775,819.08, 1,070,504.16 and 431,646.17 is: 595,601.52
Step by Step Solution
- Step 1: Write the proportion equation
775,819.08 : 1,070,504.16 = 431,646.17 : x - Step 2: Convert to fraction form
775,819.08/1,070,504.16 = 431,646.17/x - Step 3: Cross multiply
775,819.08x = 1,070,504.16 × 431,646.17 - Step 4: Simplify right side
775,819.08x = 462,079,020,633.07 - Step 5: Solve for x
x = 462,079,020,633.07/775,819.08 - Step 6: Final answer
x = 595,601.52
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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.