Finding the Fourth Proportional to 991,854.06, 1,368,759.52 and 539,145.06
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Solution
The fourth proportional to 991,854.06, 1,368,759.52 and 539,145.06 is: 744,020.68
Step by Step Solution
- Step 1: Write the proportion equation
991,854.06 : 1,368,759.52 = 539,145.06 : x - Step 2: Convert to fraction form
991,854.06/1,368,759.52 = 539,145.06/x - Step 3: Cross multiply
991,854.06x = 1,368,759.52 × 539,145.06 - Step 4: Simplify right side
991,854.06x = 737,959,933,535.97 - Step 5: Solve for x
x = 737,959,933,535.97/991,854.06 - Step 6: Final answer
x = 744,020.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.