Finding the Fourth Proportional to 853,698.88, 1,178,325.84 and 491,159.88
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Solution
The fourth proportional to 853,698.88, 1,178,325.84 and 491,159.88 is: 677,928.00
Step by Step Solution
- Step 1: Write the proportion equation
853,698.88 : 1,178,325.84 = 491,159.88 : x - Step 2: Convert to fraction form
853,698.88/1,178,325.84 = 491,159.88/x - Step 3: Cross multiply
853,698.88x = 1,178,325.84 × 491,159.88 - Step 4: Simplify right side
853,698.88x = 578,746,378,175.30 - Step 5: Solve for x
x = 578,746,378,175.30/853,698.88 - Step 6: Final answer
x = 677,928.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.