Finding the Fourth Proportional to 837,309.80, 1,255,964.70 and 268,689.80
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Solution
The fourth proportional to 837,309.80, 1,255,964.70 and 268,689.80 is: 403,034.70
Step by Step Solution
- Step 1: Write the proportion equation
837,309.80 : 1,255,964.70 = 268,689.80 : x - Step 2: Convert to fraction form
837,309.80/1,255,964.70 = 268,689.80/x - Step 3: Cross multiply
837,309.80x = 1,255,964.70 × 268,689.80 - Step 4: Simplify right side
837,309.80x = 337,464,904,050.06 - Step 5: Solve for x
x = 337,464,904,050.06/837,309.80 - Step 6: Final answer
x = 403,034.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.