Finding the Fourth Proportional to 903,918.33, 1,247,403.87 and 496,026.99
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Solution
The fourth proportional to 903,918.33, 1,247,403.87 and 496,026.99 is: 684,515.37
Step by Step Solution
- Step 1: Write the proportion equation
903,918.33 : 1,247,403.87 = 496,026.99 : x - Step 2: Convert to fraction form
903,918.33/1,247,403.87 = 496,026.99/x - Step 3: Cross multiply
903,918.33x = 1,247,403.87 × 496,026.99 - Step 4: Simplify right side
903,918.33x = 618,745,986,950.45 - Step 5: Solve for x
x = 618,745,986,950.45/903,918.33 - Step 6: Final answer
x = 684,515.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.