Finding the Fourth Proportional to 882,971.20, 1,324,481.12 and 322,423.36
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Solution
The fourth proportional to 882,971.20, 1,324,481.12 and 322,423.36 is: 483,643.92
Step by Step Solution
- Step 1: Write the proportion equation
882,971.20 : 1,324,481.12 = 322,423.36 : x - Step 2: Convert to fraction form
882,971.20/1,324,481.12 = 322,423.36/x - Step 3: Cross multiply
882,971.20x = 1,324,481.12 × 322,423.36 - Step 4: Simplify right side
882,971.20x = 427,043,652,966.96 - Step 5: Solve for x
x = 427,043,652,966.96/882,971.20 - Step 6: Final answer
x = 483,643.92
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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.