Finding the Fourth Proportional to 1,386,246.70, 2,079,175.65 and 439,713.10
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Solution
The fourth proportional to 1,386,246.70, 2,079,175.65 and 439,713.10 is: 659,507.99
Step by Step Solution
- Step 1: Write the proportion equation
1,386,246.70 : 2,079,175.65 = 439,713.10 : x - Step 2: Convert to fraction form
1,386,246.70/2,079,175.65 = 439,713.10/x - Step 3: Cross multiply
1,386,246.70x = 2,079,175.65 × 439,713.10 - Step 4: Simplify right side
1,386,246.70x = 914,240,770,506.02 - Step 5: Solve for x
x = 914,240,770,506.02/1,386,246.70 - Step 6: Final answer
x = 659,507.99
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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.