Finding the Fourth Proportional to 750.24, 1,124.64 and 408
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Solution
The fourth proportional to 750.24, 1,124.64 and 408 is: 611.61
Step by Step Solution
- Step 1: Write the proportion equation
750.24 : 1,124.64 = 408 : x - Step 2: Convert to fraction form
750.24/1,124.64 = 408/x - Step 3: Cross multiply
750.24x = 1,124.64 × 408 - Step 4: Simplify right side
750.24x = 458,853.12 - Step 5: Solve for x
x = 458,853.12/750.24 - Step 6: Final answer
x = 611.61
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