Finding the Fourth Proportional to 1,382,228.13, 2,072,486.84 and 539,789.25
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Solution
The fourth proportional to 1,382,228.13, 2,072,486.84 and 539,789.25 is: 809,349.84
Step by Step Solution
- Step 1: Write the proportion equation
1,382,228.13 : 2,072,486.84 = 539,789.25 : x - Step 2: Convert to fraction form
1,382,228.13/2,072,486.84 = 539,789.25/x - Step 3: Cross multiply
1,382,228.13x = 2,072,486.84 × 539,789.25 - Step 4: Simplify right side
1,382,228.13x = 1,118,706,114,299.52 - Step 5: Solve for x
x = 1,118,706,114,299.52/1,382,228.13 - Step 6: Final answer
x = 809,349.84
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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.