Finding the Fourth Proportional to 774,067.96, 1,068,209.56 and 434,536.12
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Solution
The fourth proportional to 774,067.96, 1,068,209.56 and 434,536.12 is: 599,657.47
Step by Step Solution
- Step 1: Write the proportion equation
774,067.96 : 1,068,209.56 = 434,536.12 : x - Step 2: Convert to fraction form
774,067.96/1,068,209.56 = 434,536.12/x - Step 3: Cross multiply
774,067.96x = 1,068,209.56 × 434,536.12 - Step 4: Simplify right side
774,067.96x = 464,175,637,549.31 - Step 5: Solve for x
x = 464,175,637,549.31/774,067.96 - Step 6: Final answer
x = 599,657.47
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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.