Finding the Fourth Proportional to 1,022,935.36, 1,534,347.60 and 312,963.28
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Solution
The fourth proportional to 1,022,935.36, 1,534,347.60 and 312,963.28 is: 469,427.96
Step by Step Solution
- Step 1: Write the proportion equation
1,022,935.36 : 1,534,347.60 = 312,963.28 : x - Step 2: Convert to fraction form
1,022,935.36/1,534,347.60 = 312,963.28/x - Step 3: Cross multiply
1,022,935.36x = 1,534,347.60 × 312,963.28 - Step 4: Simplify right side
1,022,935.36x = 480,194,457,556.13 - Step 5: Solve for x
x = 480,194,457,556.13/1,022,935.36 - Step 6: Final answer
x = 469,427.96
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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.