Finding the Fourth Proportional to 753,812.33, 1,040,271.14 and 409,655.07
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Solution
The fourth proportional to 753,812.33, 1,040,271.14 and 409,655.07 is: 565,329.50
Step by Step Solution
- Step 1: Write the proportion equation
753,812.33 : 1,040,271.14 = 409,655.07 : x - Step 2: Convert to fraction form
753,812.33/1,040,271.14 = 409,655.07/x - Step 3: Cross multiply
753,812.33x = 1,040,271.14 × 409,655.07 - Step 4: Simplify right side
753,812.33x = 426,152,344,627.41 - Step 5: Solve for x
x = 426,152,344,627.41/753,812.33 - Step 6: Final answer
x = 565,329.50
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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.