Finding the Fourth Proportional to 544,614.08, 751,456.20 and 318,215.84
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Solution
The fourth proportional to 544,614.08, 751,456.20 and 318,215.84 is: 439,072.87
Step by Step Solution
- Step 1: Write the proportion equation
544,614.08 : 751,456.20 = 318,215.84 : x - Step 2: Convert to fraction form
544,614.08/751,456.20 = 318,215.84/x - Step 3: Cross multiply
544,614.08x = 751,456.20 × 318,215.84 - Step 4: Simplify right side
544,614.08x = 239,125,265,906.21 - Step 5: Solve for x
x = 239,125,265,906.21/544,614.08 - Step 6: Final answer
x = 439,072.87
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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.