Finding the Fourth Proportional to 719,494.04, 1,079,460.98 and 431,624.70
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Solution
The fourth proportional to 719,494.04, 1,079,460.98 and 431,624.70 is: 647,568.98
Step by Step Solution
- Step 1: Write the proportion equation
719,494.04 : 1,079,460.98 = 431,624.70 : x - Step 2: Convert to fraction form
719,494.04/1,079,460.98 = 431,624.70/x - Step 3: Cross multiply
719,494.04x = 1,079,460.98 × 431,624.70 - Step 4: Simplify right side
719,494.04x = 465,922,019,496.08 - Step 5: Solve for x
x = 465,922,019,496.08/719,494.04 - Step 6: Final answer
x = 647,568.98
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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.