Finding the Fourth Proportional to 749,563.12, 1,034,396.76 and 410,031.28
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Solution
The fourth proportional to 749,563.12, 1,034,396.76 and 410,031.28 is: 565,842.98
Step by Step Solution
- Step 1: Write the proportion equation
749,563.12 : 1,034,396.76 = 410,031.28 : x - Step 2: Convert to fraction form
749,563.12/1,034,396.76 = 410,031.28/x - Step 3: Cross multiply
749,563.12x = 1,034,396.76 × 410,031.28 - Step 4: Simplify right side
749,563.12x = 424,135,027,530.65 - Step 5: Solve for x
x = 424,135,027,530.65/749,563.12 - Step 6: Final answer
x = 565,842.98
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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.