Finding the Fourth Proportional to 754,113.46, 1,040,683.34 and 409,950.05
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Solution
The fourth proportional to 754,113.46, 1,040,683.34 and 409,950.05 is: 565,734.74
Step by Step Solution
- Step 1: Write the proportion equation
754,113.46 : 1,040,683.34 = 409,950.05 : x - Step 2: Convert to fraction form
754,113.46/1,040,683.34 = 409,950.05/x - Step 3: Cross multiply
754,113.46x = 1,040,683.34 × 409,950.05 - Step 4: Simplify right side
754,113.46x = 426,628,180,014.00 - Step 5: Solve for x
x = 426,628,180,014.00/754,113.46 - Step 6: Final answer
x = 565,734.74
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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.