Finding the Fourth Proportional to 750.72, 1,035.84 and 436
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Solution
The fourth proportional to 750.72, 1,035.84 and 436 is: 601.59
Step by Step Solution
- Step 1: Write the proportion equation
750.72 : 1,035.84 = 436 : x - Step 2: Convert to fraction form
750.72/1,035.84 = 436/x - Step 3: Cross multiply
750.72x = 1,035.84 × 436 - Step 4: Simplify right side
750.72x = 451,626.24 - Step 5: Solve for x
x = 451,626.24/750.72 - Step 6: Final answer
x = 601.59
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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.