Finding the Fourth Proportional to 783,170.42, 1,080,754.18 and 460,899.50
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Solution
The fourth proportional to 783,170.42, 1,080,754.18 and 460,899.50 is: 636,028.95
Step by Step Solution
- Step 1: Write the proportion equation
783,170.42 : 1,080,754.18 = 460,899.50 : x - Step 2: Convert to fraction form
783,170.42/1,080,754.18 = 460,899.50/x - Step 3: Cross multiply
783,170.42x = 1,080,754.18 × 460,899.50 - Step 4: Simplify right side
783,170.42x = 498,119,054,628.89 - Step 5: Solve for x
x = 498,119,054,628.89/783,170.42 - Step 6: Final answer
x = 636,028.95
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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.