Finding the Fourth Proportional to 691,392.60, 1,035,477.48 and 667,446.84
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Solution
The fourth proportional to 691,392.60, 1,035,477.48 and 667,446.84 is: 999,614.65
Step by Step Solution
- Step 1: Write the proportion equation
691,392.60 : 1,035,477.48 = 667,446.84 : x - Step 2: Convert to fraction form
691,392.60/1,035,477.48 = 667,446.84/x - Step 3: Cross multiply
691,392.60x = 1,035,477.48 × 667,446.84 - Step 4: Simplify right side
691,392.60x = 691,126,171,917.16 - Step 5: Solve for x
x = 691,126,171,917.16/691,392.60 - Step 6: Final answer
x = 999,614.65
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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.