Finding the Fourth Proportional to 863,658.65, 1,191,844.99 and 476,463.53
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Solution
The fourth proportional to 863,658.65, 1,191,844.99 and 476,463.53 is: 657,517.49
Step by Step Solution
- Step 1: Write the proportion equation
863,658.65 : 1,191,844.99 = 476,463.53 : x - Step 2: Convert to fraction form
863,658.65/1,191,844.99 = 476,463.53/x - Step 3: Cross multiply
863,658.65x = 1,191,844.99 × 476,463.53 - Step 4: Simplify right side
863,658.65x = 567,870,671,148.22 - Step 5: Solve for x
x = 567,870,671,148.22/863,658.65 - Step 6: Final answer
x = 657,517.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.