Finding the Fourth Proportional to 438,693.08, 658,301.79 and 403,001.24
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Solution
The fourth proportional to 438,693.08, 658,301.79 and 403,001.24 is: 604,742.70
Step by Step Solution
- Step 1: Write the proportion equation
438,693.08 : 658,301.79 = 403,001.24 : x - Step 2: Convert to fraction form
438,693.08/658,301.79 = 403,001.24/x - Step 3: Cross multiply
438,693.08x = 658,301.79 × 403,001.24 - Step 4: Simplify right side
438,693.08x = 265,296,437,664.22 - Step 5: Solve for x
x = 265,296,437,664.22/438,693.08 - Step 6: Final answer
x = 604,742.70
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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.