Finding the Fourth Proportional to 750, 1,035.12 and 439.44
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Solution
The fourth proportional to 750, 1,035.12 and 439.44 is: 606.50
Step by Step Solution
- Step 1: Write the proportion equation
750 : 1,035.12 = 439.44 : x - Step 2: Convert to fraction form
750/1,035.12 = 439.44/x - Step 3: Cross multiply
750x = 1,035.12 × 439.44 - Step 4: Simplify right side
750x = 454,873.13 - Step 5: Solve for x
x = 454,873.13/750 - Step 6: Final answer
x = 606.50
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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.