Finding the Fourth Proportional to 636,536.92, 878,400.84 and 350,056.12
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Solution
The fourth proportional to 636,536.92, 878,400.84 and 350,056.12 is: 483,066.39
Step by Step Solution
- Step 1: Write the proportion equation
636,536.92 : 878,400.84 = 350,056.12 : x - Step 2: Convert to fraction form
636,536.92/878,400.84 = 350,056.12/x - Step 3: Cross multiply
636,536.92x = 878,400.84 × 350,056.12 - Step 4: Simplify right side
636,536.92x = 307,489,589,855.14 - Step 5: Solve for x
x = 307,489,589,855.14/636,536.92 - Step 6: Final answer
x = 483,066.39
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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.