Finding the Fourth Proportional to 740,026.99, 1,109,948.21 and 207,589.53
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Solution
The fourth proportional to 740,026.99, 1,109,948.21 and 207,589.53 is: 311,358.42
Step by Step Solution
- Step 1: Write the proportion equation
740,026.99 : 1,109,948.21 = 207,589.53 : x - Step 2: Convert to fraction form
740,026.99/1,109,948.21 = 207,589.53/x - Step 3: Cross multiply
740,026.99x = 1,109,948.21 × 207,589.53 - Step 4: Simplify right side
740,026.99x = 230,413,632,308.75 - Step 5: Solve for x
x = 230,413,632,308.75/740,026.99 - Step 6: Final answer
x = 311,358.42
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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.