Finding the Fourth Proportional to 919,082.24, 1,378,355.52 and 357,983.36
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Solution
The fourth proportional to 919,082.24, 1,378,355.52 and 357,983.36 is: 536,870.72
Step by Step Solution
- Step 1: Write the proportion equation
919,082.24 : 1,378,355.52 = 357,983.36 : x - Step 2: Convert to fraction form
919,082.24/1,378,355.52 = 357,983.36/x - Step 3: Cross multiply
919,082.24x = 1,378,355.52 × 357,983.36 - Step 4: Simplify right side
919,082.24x = 493,428,340,324.15 - Step 5: Solve for x
x = 493,428,340,324.15/919,082.24 - Step 6: Final answer
x = 536,870.72
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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.