Finding the Fourth Proportional to 1,377,939.48, 2,065,793.94 and 430,822.68
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Solution
The fourth proportional to 1,377,939.48, 2,065,793.94 and 430,822.68 is: 645,885.32
Step by Step Solution
- Step 1: Write the proportion equation
1,377,939.48 : 2,065,793.94 = 430,822.68 : x - Step 2: Convert to fraction form
1,377,939.48/2,065,793.94 = 430,822.68/x - Step 3: Cross multiply
1,377,939.48x = 2,065,793.94 × 430,822.68 - Step 4: Simplify right side
1,377,939.48x = 889,990,881,558.56 - Step 5: Solve for x
x = 889,990,881,558.56/1,377,939.48 - Step 6: Final answer
x = 645,885.32
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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.