Finding the Fourth Proportional to 1,040,317.24, 1,560,529.86 and 330,400.84
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Solution
The fourth proportional to 1,040,317.24, 1,560,529.86 and 330,400.84 is: 495,618.41
Step by Step Solution
- Step 1: Write the proportion equation
1,040,317.24 : 1,560,529.86 = 330,400.84 : x - Step 2: Convert to fraction form
1,040,317.24/1,560,529.86 = 330,400.84/x - Step 3: Cross multiply
1,040,317.24x = 1,560,529.86 × 330,400.84 - Step 4: Simplify right side
1,040,317.24x = 515,600,376,589.08 - Step 5: Solve for x
x = 515,600,376,589.08/1,040,317.24 - Step 6: Final answer
x = 495,618.41
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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.