Finding the Fourth Proportional to 544,370.09, 816,721.11 and 278,317.42
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Solution
The fourth proportional to 544,370.09, 816,721.11 and 278,317.42 is: 417,560.99
Step by Step Solution
- Step 1: Write the proportion equation
544,370.09 : 816,721.11 = 278,317.42 : x - Step 2: Convert to fraction form
544,370.09/816,721.11 = 278,317.42/x - Step 3: Cross multiply
544,370.09x = 816,721.11 × 278,317.42 - Step 4: Simplify right side
544,370.09x = 227,307,710,152.93 - Step 5: Solve for x
x = 227,307,710,152.93/544,370.09 - Step 6: Final answer
x = 417,560.99
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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.