Finding the Fourth Proportional to 703.55, 972.18 and 609.99
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Solution
The fourth proportional to 703.55, 972.18 and 609.99 is: 842.90
Step by Step Solution
- Step 1: Write the proportion equation
703.55 : 972.18 = 609.99 : x - Step 2: Convert to fraction form
703.55/972.18 = 609.99/x - Step 3: Cross multiply
703.55x = 972.18 × 609.99 - Step 4: Simplify right side
703.55x = 593,020.08 - Step 5: Solve for x
x = 593,020.08/703.55 - Step 6: Final answer
x = 842.90
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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.