Finding the Fourth Proportional to 782,985.84, 1,080,469.30 and 460,633.65
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Solution
The fourth proportional to 782,985.84, 1,080,469.30 and 460,633.65 is: 635,644.34
Step by Step Solution
- Step 1: Write the proportion equation
782,985.84 : 1,080,469.30 = 460,633.65 : x - Step 2: Convert to fraction form
782,985.84/1,080,469.30 = 460,633.65/x - Step 3: Cross multiply
782,985.84x = 1,080,469.30 × 460,633.65 - Step 4: Simplify right side
782,985.84x = 497,700,517,371.95 - Step 5: Solve for x
x = 497,700,517,371.95/782,985.84 - Step 6: Final answer
x = 635,644.34
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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.