Finding the Fourth Proportional to 1,377,888.48, 2,065,717.44 and 430,771.68
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Solution
The fourth proportional to 1,377,888.48, 2,065,717.44 and 430,771.68 is: 645,808.85
Step by Step Solution
- Step 1: Write the proportion equation
1,377,888.48 : 2,065,717.44 = 430,771.68 : x - Step 2: Convert to fraction form
1,377,888.48/2,065,717.44 = 430,771.68/x - Step 3: Cross multiply
1,377,888.48x = 2,065,717.44 × 430,771.68 - Step 4: Simplify right side
1,377,888.48x = 889,852,572,034.10 - Step 5: Solve for x
x = 889,852,572,034.10/1,377,888.48 - Step 6: Final answer
x = 645,808.85
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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.