Finding the Fourth Proportional to 1,119,327.90, 1,678,496.49 and 320,427.42
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Solution
The fourth proportional to 1,119,327.90, 1,678,496.49 and 320,427.42 is: 480,499.32
Step by Step Solution
- Step 1: Write the proportion equation
1,119,327.90 : 1,678,496.49 = 320,427.42 : x - Step 2: Convert to fraction form
1,119,327.90/1,678,496.49 = 320,427.42/x - Step 3: Cross multiply
1,119,327.90x = 1,678,496.49 × 320,427.42 - Step 4: Simplify right side
1,119,327.90x = 537,836,299,769.76 - Step 5: Solve for x
x = 537,836,299,769.76/1,119,327.90 - Step 6: Final answer
x = 480,499.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.