Finding the Fourth Proportional to 983,346.60, 1,471,520.70 and 682,415.40
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Solution
The fourth proportional to 983,346.60, 1,471,520.70 and 682,415.40 is: 1,021,194.75
Step by Step Solution
- Step 1: Write the proportion equation
983,346.60 : 1,471,520.70 = 682,415.40 : x - Step 2: Convert to fraction form
983,346.60/1,471,520.70 = 682,415.40/x - Step 3: Cross multiply
983,346.60x = 1,471,520.70 × 682,415.40 - Step 4: Simplify right side
983,346.60x = 1,004,188,387,098.78 - Step 5: Solve for x
x = 1,004,188,387,098.78/983,346.60 - Step 6: Final answer
x = 1,021,194.75
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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.