Finding the Fourth Proportional to 811,296.28, 1,119,581.58 and 448,735.24
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Solution
The fourth proportional to 811,296.28, 1,119,581.58 and 448,735.24 is: 619,250.60
Step by Step Solution
- Step 1: Write the proportion equation
811,296.28 : 1,119,581.58 = 448,735.24 : x - Step 2: Convert to fraction form
811,296.28/1,119,581.58 = 448,735.24/x - Step 3: Cross multiply
811,296.28x = 1,119,581.58 × 448,735.24 - Step 4: Simplify right side
811,296.28x = 502,395,709,000.88 - Step 5: Solve for x
x = 502,395,709,000.88/811,296.28 - Step 6: Final answer
x = 619,250.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.