Finding the Fourth Proportional to 1,014,233.58, 1,399,660.56 and 555,349.14
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Solution
The fourth proportional to 1,014,233.58, 1,399,660.56 and 555,349.14 is: 766,391.79
Step by Step Solution
- Step 1: Write the proportion equation
1,014,233.58 : 1,399,660.56 = 555,349.14 : x - Step 2: Convert to fraction form
1,014,233.58/1,399,660.56 = 555,349.14/x - Step 3: Cross multiply
1,014,233.58x = 1,399,660.56 × 555,349.14 - Step 4: Simplify right side
1,014,233.58x = 777,300,288,287.92 - Step 5: Solve for x
x = 777,300,288,287.92/1,014,233.58 - Step 6: Final answer
x = 766,391.79
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1.5x scale
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.