Finding the Fourth Proportional to 873,574.65, 1,310,362.86 and 274,588.14
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Solution
The fourth proportional to 873,574.65, 1,310,362.86 and 274,588.14 is: 411,882.49
Step by Step Solution
- Step 1: Write the proportion equation
873,574.65 : 1,310,362.86 = 274,588.14 : x - Step 2: Convert to fraction form
873,574.65/1,310,362.86 = 274,588.14/x - Step 3: Cross multiply
873,574.65x = 1,310,362.86 × 274,588.14 - Step 4: Simplify right side
873,574.65x = 359,810,100,452.48 - Step 5: Solve for x
x = 359,810,100,452.48/873,574.65 - Step 6: Final answer
x = 411,882.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.