Finding the Fourth Proportional to 748,559.58, 1,123,284.06 and 275,577.09
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Solution
The fourth proportional to 748,559.58, 1,123,284.06 and 275,577.09 is: 413,529.34
Step by Step Solution
- Step 1: Write the proportion equation
748,559.58 : 1,123,284.06 = 275,577.09 : x - Step 2: Convert to fraction form
748,559.58/1,123,284.06 = 275,577.09/x - Step 3: Cross multiply
748,559.58x = 1,123,284.06 × 275,577.09 - Step 4: Simplify right side
748,559.58x = 309,551,352,498.19 - Step 5: Solve for x
x = 309,551,352,498.19/748,559.58 - Step 6: Final answer
x = 413,529.34
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1.5x scale
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.