Finding the Fourth Proportional to 847,517.63, 1,169,582.91 and 460,340.62
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Solution
The fourth proportional to 847,517.63, 1,169,582.91 and 460,340.62 is: 635,274.71
Step by Step Solution
- Step 1: Write the proportion equation
847,517.63 : 1,169,582.91 = 460,340.62 : x - Step 2: Convert to fraction form
847,517.63/1,169,582.91 = 460,340.62/x - Step 3: Cross multiply
847,517.63x = 1,169,582.91 × 460,340.62 - Step 4: Simplify right side
847,517.63x = 538,406,519,869.99 - Step 5: Solve for x
x = 538,406,519,869.99/847,517.63 - Step 6: Final answer
x = 635,274.71
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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.