Finding the Fourth Proportional to 750.93, 1,036 and 456.09
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Solution
The fourth proportional to 750.93, 1,036 and 456.09 is: 629.23
Step by Step Solution
- Step 1: Write the proportion equation
750.93 : 1,036 = 456.09 : x - Step 2: Convert to fraction form
750.93/1,036 = 456.09/x - Step 3: Cross multiply
750.93x = 1,036 × 456.09 - Step 4: Simplify right side
750.93x = 472,509.24 - Step 5: Solve for x
x = 472,509.24/750.93 - Step 6: Final answer
x = 629.23
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.