Finding the Fourth Proportional to 879.05, 1,212.93 and 524.99
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Solution
The fourth proportional to 879.05, 1,212.93 and 524.99 is: 724.39
Step by Step Solution
- Step 1: Write the proportion equation
879.05 : 1,212.93 = 524.99 : x - Step 2: Convert to fraction form
879.05/1,212.93 = 524.99/x - Step 3: Cross multiply
879.05x = 1,212.93 × 524.99 - Step 4: Simplify right side
879.05x = 636,770.06 - Step 5: Solve for x
x = 636,770.06/879.05 - Step 6: Final answer
x = 724.39
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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.