Finding the Fourth Proportional to 749,394.88, 1,034,164.96 and 409,863.12
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Solution
The fourth proportional to 749,394.88, 1,034,164.96 and 409,863.12 is: 565,611.12
Step by Step Solution
- Step 1: Write the proportion equation
749,394.88 : 1,034,164.96 = 409,863.12 : x - Step 2: Convert to fraction form
749,394.88/1,034,164.96 = 409,863.12/x - Step 3: Cross multiply
749,394.88x = 1,034,164.96 × 409,863.12 - Step 4: Simplify right side
749,394.88x = 423,866,077,100.28 - Step 5: Solve for x
x = 423,866,077,100.28/749,394.88 - Step 6: Final answer
x = 565,611.12
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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.