Finding the Fourth Proportional to 947,349.99, 1,307,343.29 and 511,767.48
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Solution
The fourth proportional to 947,349.99, 1,307,343.29 and 511,767.48 is: 706,239.28
Step by Step Solution
- Step 1: Write the proportion equation
947,349.99 : 1,307,343.29 = 511,767.48 : x - Step 2: Convert to fraction form
947,349.99/1,307,343.29 = 511,767.48/x - Step 3: Cross multiply
947,349.99x = 1,307,343.29 × 511,767.48 - Step 4: Simplify right side
947,349.99x = 669,055,778,459.37 - Step 5: Solve for x
x = 669,055,778,459.37/947,349.99 - Step 6: Final answer
x = 706,239.28
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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.