Finding the Fourth Proportional to 753,886.17, 1,040,370.97 and 409,722.08
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Solution
The fourth proportional to 753,886.17, 1,040,370.97 and 409,722.08 is: 565,420.85
Step by Step Solution
- Step 1: Write the proportion equation
753,886.17 : 1,040,370.97 = 409,722.08 : x - Step 2: Convert to fraction form
753,886.17/1,040,370.97 = 409,722.08/x - Step 3: Cross multiply
753,886.17x = 1,040,370.97 × 409,722.08 - Step 4: Simplify right side
753,886.17x = 426,262,958,194.17 - Step 5: Solve for x
x = 426,262,958,194.17/753,886.17 - Step 6: Final answer
x = 565,420.85
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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.