Finding the Fourth Proportional to 847,899.36, 1,170,046.08 and 485,326.08
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Solution
The fourth proportional to 847,899.36, 1,170,046.08 and 485,326.08 is: 669,718.49
Step by Step Solution
- Step 1: Write the proportion equation
847,899.36 : 1,170,046.08 = 485,326.08 : x - Step 2: Convert to fraction form
847,899.36/1,170,046.08 = 485,326.08/x - Step 3: Cross multiply
847,899.36x = 1,170,046.08 × 485,326.08 - Step 4: Simplify right side
847,899.36x = 567,853,877,425.77 - Step 5: Solve for x
x = 567,853,877,425.77/847,899.36 - Step 6: Final answer
x = 669,718.49
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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.