Finding the Fourth Proportional to 753,883.98, 1,040,367.94 and 409,719.93
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Solution
The fourth proportional to 753,883.98, 1,040,367.94 and 409,719.93 is: 565,417.88
Step by Step Solution
- Step 1: Write the proportion equation
753,883.98 : 1,040,367.94 = 409,719.93 : x - Step 2: Convert to fraction form
753,883.98/1,040,367.94 = 409,719.93/x - Step 3: Cross multiply
753,883.98x = 1,040,367.94 × 409,719.93 - Step 4: Simplify right side
753,883.98x = 426,259,481,364.26 - Step 5: Solve for x
x = 426,259,481,364.26/753,883.98 - Step 6: Final answer
x = 565,417.88
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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.