Finding the Fourth Proportional to 636,535.99, 878,402.19 and 350,056.09
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Solution
The fourth proportional to 636,535.99, 878,402.19 and 350,056.09 is: 483,067.79
Step by Step Solution
- Step 1: Write the proportion equation
636,535.99 : 878,402.19 = 350,056.09 : x - Step 2: Convert to fraction form
636,535.99/878,402.19 = 350,056.09/x - Step 3: Cross multiply
636,535.99x = 878,402.19 × 350,056.09 - Step 4: Simplify right side
636,535.99x = 307,490,036,078.84 - Step 5: Solve for x
x = 307,490,036,078.84/636,535.99 - Step 6: Final answer
x = 483,067.79
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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.