Finding the Fourth Proportional to 1,382,228.63, 2,072,487.58 and 539,789.75
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Solution
The fourth proportional to 1,382,228.63, 2,072,487.58 and 539,789.75 is: 809,350.59
Step by Step Solution
- Step 1: Write the proportion equation
1,382,228.63 : 2,072,487.58 = 539,789.75 : x - Step 2: Convert to fraction form
1,382,228.63/2,072,487.58 = 539,789.75/x - Step 3: Cross multiply
1,382,228.63x = 2,072,487.58 × 539,789.75 - Step 4: Simplify right side
1,382,228.63x = 1,118,707,552,686.31 - Step 5: Solve for x
x = 1,118,707,552,686.31/1,382,228.63 - Step 6: Final answer
x = 809,350.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.