Finding the Fourth Proportional to 740,003.67, 1,021,208.18 and 417,717.63
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Solution
The fourth proportional to 740,003.67, 1,021,208.18 and 417,717.63 is: 576,452.09
Step by Step Solution
- Step 1: Write the proportion equation
740,003.67 : 1,021,208.18 = 417,717.63 : x - Step 2: Convert to fraction form
740,003.67/1,021,208.18 = 417,717.63/x - Step 3: Cross multiply
740,003.67x = 1,021,208.18 × 417,717.63 - Step 4: Simplify right side
740,003.67x = 426,576,658,597.63 - Step 5: Solve for x
x = 426,576,658,597.63/740,003.67 - Step 6: Final answer
x = 576,452.09
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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.