Finding the Fourth Proportional to 749,734.67, 1,034,305.21 and 439,480.02
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Solution
The fourth proportional to 749,734.67, 1,034,305.21 and 439,480.02 is: 606,289.79
Step by Step Solution
- Step 1: Write the proportion equation
749,734.67 : 1,034,305.21 = 439,480.02 : x - Step 2: Convert to fraction form
749,734.67/1,034,305.21 = 439,480.02/x - Step 3: Cross multiply
749,734.67x = 1,034,305.21 × 439,480.02 - Step 4: Simplify right side
749,734.67x = 454,556,474,376.90 - Step 5: Solve for x
x = 454,556,474,376.90/749,734.67 - Step 6: Final answer
x = 606,289.79
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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.