Finding the Fourth Proportional to 863,319.92, 1,294,758.98 and 255,966.21
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Solution
The fourth proportional to 863,319.92, 1,294,758.98 and 255,966.21 is: 383,883.82
Step by Step Solution
- Step 1: Write the proportion equation
863,319.92 : 1,294,758.98 = 255,966.21 : x - Step 2: Convert to fraction form
863,319.92/1,294,758.98 = 255,966.21/x - Step 3: Cross multiply
863,319.92x = 1,294,758.98 × 255,966.21 - Step 4: Simplify right side
863,319.92x = 331,414,548,974.07 - Step 5: Solve for x
x = 331,414,548,974.07/863,319.92 - Step 6: Final answer
x = 383,883.82
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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.