Finding the Fourth Proportional to 753,884.71, 1,040,368.95 and 409,720.66
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Solution
The fourth proportional to 753,884.71, 1,040,368.95 and 409,720.66 is: 565,418.88
Step by Step Solution
- Step 1: Write the proportion equation
753,884.71 : 1,040,368.95 = 409,720.66 : x - Step 2: Convert to fraction form
753,884.71/1,040,368.95 = 409,720.66/x - Step 3: Cross multiply
753,884.71x = 1,040,368.95 × 409,720.66 - Step 4: Simplify right side
753,884.71x = 426,260,650,236.59 - Step 5: Solve for x
x = 426,260,650,236.59/753,884.71 - Step 6: Final answer
x = 565,418.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.