Finding the Fourth Proportional to 718,785.68, 992,243.07 and 464,261.00
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Solution
The fourth proportional to 718,785.68, 992,243.07 and 464,261.00 is: 640,886.11
Step by Step Solution
- Step 1: Write the proportion equation
718,785.68 : 992,243.07 = 464,261.00 : x - Step 2: Convert to fraction form
718,785.68/992,243.07 = 464,261.00/x - Step 3: Cross multiply
718,785.68x = 992,243.07 × 464,261.00 - Step 4: Simplify right side
718,785.68x = 460,659,754,960.06 - Step 5: Solve for x
x = 460,659,754,960.06/718,785.68 - Step 6: Final answer
x = 640,886.11
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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.