Finding the Fourth Proportional to 783,170.79, 1,080,754.70 and 460,899.87
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Solution
The fourth proportional to 783,170.79, 1,080,754.70 and 460,899.87 is: 636,029.46
Step by Step Solution
- Step 1: Write the proportion equation
783,170.79 : 1,080,754.70 = 460,899.87 : x - Step 2: Convert to fraction form
783,170.79/1,080,754.70 = 460,899.87/x - Step 3: Cross multiply
783,170.79x = 1,080,754.70 × 460,899.87 - Step 4: Simplify right side
783,170.79x = 498,119,698,427.39 - Step 5: Solve for x
x = 498,119,698,427.39/783,170.79 - Step 6: Final answer
x = 636,029.46
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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.