Finding the Fourth Proportional to 750.68, 1,036.44 and 471.02
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Solution
The fourth proportional to 750.68, 1,036.44 and 471.02 is: 650.32
Step by Step Solution
- Step 1: Write the proportion equation
750.68 : 1,036.44 = 471.02 : x - Step 2: Convert to fraction form
750.68/1,036.44 = 471.02/x - Step 3: Cross multiply
750.68x = 1,036.44 × 471.02 - Step 4: Simplify right side
750.68x = 488,183.97 - Step 5: Solve for x
x = 488,183.97/750.68 - Step 6: Final answer
x = 650.32
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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.