Finding the Fourth Proportional to 793,257.18, 1,190,358.56 and 287,857.59
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Solution
The fourth proportional to 793,257.18, 1,190,358.56 and 287,857.59 is: 431,957.95
Step by Step Solution
- Step 1: Write the proportion equation
793,257.18 : 1,190,358.56 = 287,857.59 : x - Step 2: Convert to fraction form
793,257.18/1,190,358.56 = 287,857.59/x - Step 3: Cross multiply
793,257.18x = 1,190,358.56 × 287,857.59 - Step 4: Simplify right side
793,257.18x = 342,653,746,317.47 - Step 5: Solve for x
x = 342,653,746,317.47/793,257.18 - Step 6: Final answer
x = 431,957.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.