Finding the Fourth Proportional to 702,718.03, 1,054,496.86 and 645,546.09
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Solution
The fourth proportional to 702,718.03, 1,054,496.86 and 645,546.09 is: 968,704.79
Step by Step Solution
- Step 1: Write the proportion equation
702,718.03 : 1,054,496.86 = 645,546.09 : x - Step 2: Convert to fraction form
702,718.03/1,054,496.86 = 645,546.09/x - Step 3: Cross multiply
702,718.03x = 1,054,496.86 × 645,546.09 - Step 4: Simplify right side
702,718.03x = 680,726,321,299.23 - Step 5: Solve for x
x = 680,726,321,299.23/702,718.03 - Step 6: Final answer
x = 968,704.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.