Finding the Fourth Proportional to 775,536.06, 1,070,339.49 and 436,069.92
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Solution
The fourth proportional to 775,536.06, 1,070,339.49 and 436,069.92 is: 601,832.56
Step by Step Solution
- Step 1: Write the proportion equation
775,536.06 : 1,070,339.49 = 436,069.92 : x - Step 2: Convert to fraction form
775,536.06/1,070,339.49 = 436,069.92/x - Step 3: Cross multiply
775,536.06x = 1,070,339.49 × 436,069.92 - Step 4: Simplify right side
775,536.06x = 466,742,855,777.14 - Step 5: Solve for x
x = 466,742,855,777.14/775,536.06 - Step 6: Final answer
x = 601,832.56
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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.