Finding the Fourth Proportional to 993,988.97, 1,371,668.75 and 607,451.06
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Solution
The fourth proportional to 993,988.97, 1,371,668.75 and 607,451.06 is: 838,260.45
Step by Step Solution
- Step 1: Write the proportion equation
993,988.97 : 1,371,668.75 = 607,451.06 : x - Step 2: Convert to fraction form
993,988.97/1,371,668.75 = 607,451.06/x - Step 3: Cross multiply
993,988.97x = 1,371,668.75 × 607,451.06 - Step 4: Simplify right side
993,988.97x = 833,221,641,104.18 - Step 5: Solve for x
x = 833,221,641,104.18/993,988.97 - Step 6: Final answer
x = 838,260.45
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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.