Finding the Fourth Proportional to 936,878.40, 1,405,107.20 and 430,953.41
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Solution
The fourth proportional to 936,878.40, 1,405,107.20 and 430,953.41 is: 646,333.34
Step by Step Solution
- Step 1: Write the proportion equation
936,878.40 : 1,405,107.20 = 430,953.41 : x - Step 2: Convert to fraction form
936,878.40/1,405,107.20 = 430,953.41/x - Step 3: Cross multiply
936,878.40x = 1,405,107.20 × 430,953.41 - Step 4: Simplify right side
936,878.40x = 605,535,743,845.70 - Step 5: Solve for x
x = 605,535,743,845.70/936,878.40 - Step 6: Final answer
x = 646,333.34
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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.