Finding the Fourth Proportional to 816,903.09, 1,225,146.53 and 579,249.32
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Solution
The fourth proportional to 816,903.09, 1,225,146.53 and 579,249.32 is: 868,726.41
Step by Step Solution
- Step 1: Write the proportion equation
816,903.09 : 1,225,146.53 = 579,249.32 : x - Step 2: Convert to fraction form
816,903.09/1,225,146.53 = 579,249.32/x - Step 3: Cross multiply
816,903.09x = 1,225,146.53 × 579,249.32 - Step 4: Simplify right side
816,903.09x = 709,665,285,380.88 - Step 5: Solve for x
x = 709,665,285,380.88/816,903.09 - Step 6: Final answer
x = 868,726.41
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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.