Finding the Fourth Proportional to 894.99, 1,340.96 and 432.99
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Solution
The fourth proportional to 894.99, 1,340.96 and 432.99 is: 648.75
Step by Step Solution
- Step 1: Write the proportion equation
894.99 : 1,340.96 = 432.99 : x - Step 2: Convert to fraction form
894.99/1,340.96 = 432.99/x - Step 3: Cross multiply
894.99x = 1,340.96 × 432.99 - Step 4: Simplify right side
894.99x = 580,623.35 - Step 5: Solve for x
x = 580,623.35/894.99 - Step 6: Final answer
x = 648.75
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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.