Finding the Fourth Proportional to 853,924.24, 1,178,344.56 and 471,950.92
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Solution
The fourth proportional to 853,924.24, 1,178,344.56 and 471,950.92 is: 651,253.09
Step by Step Solution
- Step 1: Write the proportion equation
853,924.24 : 1,178,344.56 = 471,950.92 : x - Step 2: Convert to fraction form
853,924.24/1,178,344.56 = 471,950.92/x - Step 3: Cross multiply
853,924.24x = 1,178,344.56 × 471,950.92 - Step 4: Simplify right side
853,924.24x = 556,120,799,169.00 - Step 5: Solve for x
x = 556,120,799,169.00/853,924.24 - Step 6: Final answer
x = 651,253.09
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1.5x scale
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.