Finding the Fourth Proportional to 547,398.01, 819,952.75 and 440,203.23
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Solution
The fourth proportional to 547,398.01, 819,952.75 and 440,203.23 is: 659,384.66
Step by Step Solution
- Step 1: Write the proportion equation
547,398.01 : 819,952.75 = 440,203.23 : x - Step 2: Convert to fraction form
547,398.01/819,952.75 = 440,203.23/x - Step 3: Cross multiply
547,398.01x = 819,952.75 × 440,203.23 - Step 4: Simplify right side
547,398.01x = 360,945,848,997.38 - Step 5: Solve for x
x = 360,945,848,997.38/547,398.01 - Step 6: Final answer
x = 659,384.66
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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.