Finding the Fourth Proportional to 750,617.28, 1,125,556.56 and 351,047.52
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Solution
The fourth proportional to 750,617.28, 1,125,556.56 and 351,047.52 is: 526,398.54
Step by Step Solution
- Step 1: Write the proportion equation
750,617.28 : 1,125,556.56 = 351,047.52 : x - Step 2: Convert to fraction form
750,617.28/1,125,556.56 = 351,047.52/x - Step 3: Cross multiply
750,617.28x = 1,125,556.56 × 351,047.52 - Step 4: Simplify right side
750,617.28x = 395,123,839,007.73 - Step 5: Solve for x
x = 395,123,839,007.73/750,617.28 - Step 6: Final answer
x = 526,398.54
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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.