Finding the Fourth Proportional to 853,678.26, 1,178,075.61 and 471,701.70
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Solution
The fourth proportional to 853,678.26, 1,178,075.61 and 471,701.70 is: 650,948.13
Step by Step Solution
- Step 1: Write the proportion equation
853,678.26 : 1,178,075.61 = 471,701.70 : x - Step 2: Convert to fraction form
853,678.26/1,178,075.61 = 471,701.70/x - Step 3: Cross multiply
853,678.26x = 1,178,075.61 × 471,701.70 - Step 4: Simplify right side
853,678.26x = 555,700,267,965.54 - Step 5: Solve for x
x = 555,700,267,965.54/853,678.26 - Step 6: Final answer
x = 650,948.13
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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.