Finding the Fourth Proportional to 695,715.40, 1,041,988.74 and 414,651.88
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Solution
The fourth proportional to 695,715.40, 1,041,988.74 and 414,651.88 is: 621,033.53
Step by Step Solution
- Step 1: Write the proportion equation
695,715.40 : 1,041,988.74 = 414,651.88 : x - Step 2: Convert to fraction form
695,715.40/1,041,988.74 = 414,651.88/x - Step 3: Cross multiply
695,715.40x = 1,041,988.74 × 414,651.88 - Step 4: Simplify right side
695,715.40x = 432,062,589,979.83 - Step 5: Solve for x
x = 432,062,589,979.83/695,715.40 - Step 6: Final answer
x = 621,033.53
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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.