Finding the Fourth Proportional to 765,293.99, 1,147,903.01 and 285,484.41
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Solution
The fourth proportional to 765,293.99, 1,147,903.01 and 285,484.41 is: 428,212.45
Step by Step Solution
- Step 1: Write the proportion equation
765,293.99 : 1,147,903.01 = 285,484.41 : x - Step 2: Convert to fraction form
765,293.99/1,147,903.01 = 285,484.41/x - Step 3: Cross multiply
765,293.99x = 1,147,903.01 × 285,484.41 - Step 4: Simplify right side
765,293.99x = 327,708,413,547.07 - Step 5: Solve for x
x = 327,708,413,547.07/765,293.99 - Step 6: Final answer
x = 428,212.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.