Finding the Fourth Proportional to 874.09, 1,203.84 and 652.65
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Solution
The fourth proportional to 874.09, 1,203.84 and 652.65 is: 898.87
Step by Step Solution
- Step 1: Write the proportion equation
874.09 : 1,203.84 = 652.65 : x - Step 2: Convert to fraction form
874.09/1,203.84 = 652.65/x - Step 3: Cross multiply
874.09x = 1,203.84 × 652.65 - Step 4: Simplify right side
874.09x = 785,686.18 - Step 5: Solve for x
x = 785,686.18/874.09 - Step 6: Final answer
x = 898.87
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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.