Finding the Fourth Proportional to 916,010.24, 1,264,245.44 and 508,243.28
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Solution
The fourth proportional to 916,010.24, 1,264,245.44 and 508,243.28 is: 701,459.67
Step by Step Solution
- Step 1: Write the proportion equation
916,010.24 : 1,264,245.44 = 508,243.28 : x - Step 2: Convert to fraction form
916,010.24/1,264,245.44 = 508,243.28/x - Step 3: Cross multiply
916,010.24x = 1,264,245.44 × 508,243.28 - Step 4: Simplify right side
916,010.24x = 642,544,240,288.20 - Step 5: Solve for x
x = 642,544,240,288.20/916,010.24 - Step 6: Final answer
x = 701,459.67
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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.