Finding the Fourth Proportional to 742,012.56, 1,112,267.52 and 293,049.99
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Solution
The fourth proportional to 742,012.56, 1,112,267.52 and 293,049.99 is: 439,278.26
Step by Step Solution
- Step 1: Write the proportion equation
742,012.56 : 1,112,267.52 = 293,049.99 : x - Step 2: Convert to fraction form
742,012.56/1,112,267.52 = 293,049.99/x - Step 3: Cross multiply
742,012.56x = 1,112,267.52 × 293,049.99 - Step 4: Simplify right side
742,012.56x = 325,949,985,613.33 - Step 5: Solve for x
x = 325,949,985,613.33/742,012.56 - Step 6: Final answer
x = 439,278.26
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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.