Finding the Fourth Proportional to 748,557.58, 1,123,281.06 and 275,575.09
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Solution
The fourth proportional to 748,557.58, 1,123,281.06 and 275,575.09 is: 413,526.34
Step by Step Solution
- Step 1: Write the proportion equation
748,557.58 : 1,123,281.06 = 275,575.09 : x - Step 2: Convert to fraction form
748,557.58/1,123,281.06 = 275,575.09/x - Step 3: Cross multiply
748,557.58x = 1,123,281.06 × 275,575.09 - Step 4: Simplify right side
748,557.58x = 309,548,279,204.80 - Step 5: Solve for x
x = 309,548,279,204.80/748,557.58 - Step 6: Final answer
x = 413,526.34
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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.