Finding the Fourth Proportional to 877,344.49, 1,210,692.04 and 490,083.08
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Solution
The fourth proportional to 877,344.49, 1,210,692.04 and 490,083.08 is: 676,290.44
Step by Step Solution
- Step 1: Write the proportion equation
877,344.49 : 1,210,692.04 = 490,083.08 : x - Step 2: Convert to fraction form
877,344.49/1,210,692.04 = 490,083.08/x - Step 3: Cross multiply
877,344.49x = 1,210,692.04 × 490,083.08 - Step 4: Simplify right side
877,344.49x = 593,339,685,696.21 - Step 5: Solve for x
x = 593,339,685,696.21/877,344.49 - Step 6: Final answer
x = 676,290.44
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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.