Finding the Fourth Proportional to 847,305.36, 1,169,286.84 and 465,328.80
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Solution
The fourth proportional to 847,305.36, 1,169,286.84 and 465,328.80 is: 642,156.73
Step by Step Solution
- Step 1: Write the proportion equation
847,305.36 : 1,169,286.84 = 465,328.80 : x - Step 2: Convert to fraction form
847,305.36/1,169,286.84 = 465,328.80/x - Step 3: Cross multiply
847,305.36x = 1,169,286.84 × 465,328.80 - Step 4: Simplify right side
847,305.36x = 544,102,842,112.99 - Step 5: Solve for x
x = 544,102,842,112.99/847,305.36 - Step 6: Final answer
x = 642,156.73
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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.