Finding the Fourth Proportional to 853,757.24, 1,178,188.63 and 466,580.36
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Solution
The fourth proportional to 853,757.24, 1,178,188.63 and 466,580.36 is: 643,882.88
Step by Step Solution
- Step 1: Write the proportion equation
853,757.24 : 1,178,188.63 = 466,580.36 : x - Step 2: Convert to fraction form
853,757.24/1,178,188.63 = 466,580.36/x - Step 3: Cross multiply
853,757.24x = 1,178,188.63 × 466,580.36 - Step 4: Simplify right side
853,757.24x = 549,719,668,075.91 - Step 5: Solve for x
x = 549,719,668,075.91/853,757.24 - Step 6: Final answer
x = 643,882.88
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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.