Finding the Fourth Proportional to 709,114.44, 979,645.05 and 464,680.08
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Solution
The fourth proportional to 709,114.44, 979,645.05 and 464,680.08 is: 641,957.79
Step by Step Solution
- Step 1: Write the proportion equation
709,114.44 : 979,645.05 = 464,680.08 : x - Step 2: Convert to fraction form
709,114.44/979,645.05 = 464,680.08/x - Step 3: Cross multiply
709,114.44x = 979,645.05 × 464,680.08 - Step 4: Simplify right side
709,114.44x = 455,221,540,205.60 - Step 5: Solve for x
x = 455,221,540,205.60/709,114.44 - Step 6: Final answer
x = 641,957.79
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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.