Finding the Fourth Proportional to 1,087,342.36, 1,631,056.74 and 339,388.36
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Solution
The fourth proportional to 1,087,342.36, 1,631,056.74 and 339,388.36 is: 509,096.02
Step by Step Solution
- Step 1: Write the proportion equation
1,087,342.36 : 1,631,056.74 = 339,388.36 : x - Step 2: Convert to fraction form
1,087,342.36/1,631,056.74 = 339,388.36/x - Step 3: Cross multiply
1,087,342.36x = 1,631,056.74 × 339,388.36 - Step 4: Simplify right side
1,087,342.36x = 553,561,672,055.55 - Step 5: Solve for x
x = 553,561,672,055.55/1,087,342.36 - Step 6: Final answer
x = 509,096.02
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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.