Finding the Fourth Proportional to 878,169.48, 1,211,879.70 and 475,761.48
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Solution
The fourth proportional to 878,169.48, 1,211,879.70 and 475,761.48 is: 656,553.99
Step by Step Solution
- Step 1: Write the proportion equation
878,169.48 : 1,211,879.70 = 475,761.48 : x - Step 2: Convert to fraction form
878,169.48/1,211,879.70 = 475,761.48/x - Step 3: Cross multiply
878,169.48x = 1,211,879.70 × 475,761.48 - Step 4: Simplify right side
878,169.48x = 576,565,679,653.96 - Step 5: Solve for x
x = 576,565,679,653.96/878,169.48 - Step 6: Final answer
x = 656,553.99
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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.