Finding the Fourth Proportional to 702,621.39, 1,053,774.39 and 323,177.65
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Solution
The fourth proportional to 702,621.39, 1,053,774.39 and 323,177.65 is: 484,693.94
Step by Step Solution
- Step 1: Write the proportion equation
702,621.39 : 1,053,774.39 = 323,177.65 : x - Step 2: Convert to fraction form
702,621.39/1,053,774.39 = 323,177.65/x - Step 3: Cross multiply
702,621.39x = 1,053,774.39 × 323,177.65 - Step 4: Simplify right side
702,621.39x = 340,556,326,841.05 - Step 5: Solve for x
x = 340,556,326,841.05/702,621.39 - Step 6: Final answer
x = 484,693.94
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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.